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Mathematics
Ask a question
The area bounded by the parabola y
2
= 4ax and straight line x + y = 3a is
a)
b)
c)
d)
Correct answer is option 'D'. Can you explain this answer?
Ankur Kumar
answered
• yesterday
D
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to Ankur Kumar
Answer
to Question
Laxmi Choudhary
asked
• 51 minutes ago
A series
converges, then sequence
a)
diverges
b)
converges to zero
c)
converges to any number
d)
None of the above
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
BHARTI SHAKYA
asked
• 57 minutes ago
a)
1/2
b)
1/3
c)
1/4
d)
1
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
Laxmi Choudhary
asked
• 58 minutes ago
If n
1/n
—> 1 as n —> ∞, then the series
a)
converges
b)
diverges
c)
neither converges nor diverges
d)
the test fails
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
Jitender Ahlawat
asked
• 1 hour ago
Which of the following(s) is/are correct?
a)
If A is unitary matrix, then A'is also unitary matrix.
b)
Inverse of unitary matrix is unitary matrix.
c)
Inverse of unitary matrix is diagonal matrix.
d)
None of these
Correct answer is option 'A,B'. Can you explain this answer?
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Answer
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Mahalakshmi R
asked
• 1 hour ago
Which of the following(s) is/are correct?
a)
In a Skew — Hermitian Matrix, the element of the principle diagonal must be purely imaginary.
b)
If A is Hermitian Matrix, then iA is Skew — Hermitian Matrix.
c)
If A is any square matrix, then A — A
θ
is Skew — Hermitian Matrix.
d)
All of the above
Correct answer is option 'B,C'. Can you explain this answer?
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Answer
to Question
RUCHI KHANNA
asked
• 1 hour ago
If A - {a, b, c} and R - {(a, a), (a, b) ( b, c), (b, b), (c, c), (c, a)} is a binary relation on A, then which one of the following is correct?
a)
R is reflexive and symmetric, but not transitive
b)
R is reflexive and transitive, but not symmetric
c)
R is reflexive, but neither symmetric nor transitive
d)
R is reflexive, symmetric and transitive
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Shraddha Awatade
asked
• 1 hour ago
Let
Then,
a)
f
xy
(0,0) = f
yx
(0,0) = 0
b)
f
xy
(0,0) ≠ f
yx
(0, 0)
c)
f
xy
(0, 0) = f
yx
(0, 0) = 1
d)
None of the above
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Prabahar Mamcet
asked
• 1 hour ago
Consider the following statement about the following p. d. e. p + q — pq = 0
(i) it has no singular solutions
(iv) It is a first order non — linear p. d. e. Then choose the
correct code.
a)
Only (i) and (ii) true
b)
Only (ii) and (iv) are true
c)
(ii), (iii) and (iv) are true
d)
All are true
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
SANJAY GARG
asked
• 2 hours ago
The integral
equals:
a)
x sin (log x) + C
b)
x cos (log x) + C
c)
d)
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Kashyap Pradhan
asked
• 2 hours ago
If for a given series
1; α, β ∈ R Then,
a)
b)
c)
d)
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
Kadu Madamakanal
asked
• 2 hours ago
If tanθ = a - (1/4a) then secθ - tanθ is equal to
a)
b)
c)
2a
d)
Correct answer is option 'A'. Can you explain this answer?
Attach
Answer
to Question
Mitali Majumder
asked
• 3 hours ago
Needed a Test for point set topology?
Related:
Mock Test Series for IIT JAM Mathematics
?
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Answer
to Question
Shraddha Awatade
asked
• 4 hours ago
Potential function φ is given as φ = x
2
- y
2
. What will be the stream function (ψ) with the condition ψ = 0 at x = y = 0?
a)
2xy
b)
x
2
+ y
2
c)
x
2
- y
2
d)
2x
2
y
2
Correct answer is option 'A'. Can you explain this answer?
Attach
Answer
to Question
Pravin Parmar
asked
• 4 hours ago
Let f : R → [0, ∞) be a continuous function. Then which one of the following is NOT TRUE ?
a)
b)
c)
d)
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Kilaparti Sekhar
asked
• 5 hours ago
If a sequence {x
n
} converge to x and x
n
> 0 for all n ∈ N, then
a)
x>0
b)
x≥0
c)
x≤0
d)
None of these
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Sakshi Jain
asked
• 6 hours ago
Which of the following is a solution of the differential equation
a)
(y - x)
2
= 153
b)
(y - 2x)
2
= 144
c)
(y - 3x)
2
=153
d)
(y - 2x)
2
= 153
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
VISHWENDRA SINGH
asked
• 6 hours ago
What is the degree of the differential equation
a)
1
b)
2
c)
8
d)
cannot be determined
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
Kilaparti Sekhar
asked
• 6 hours ago
Let
f(x,y) = x
3
+ y
3
- 63 (x + y) + 12xy,
then
a)
the function has three stationary points
b)
the function is minimum at (-7, -7)
c)
the function is maximum at (3, 3)
d)
the function has neither minimum nor a maximum at (5,-1)
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
Swarna Ch
asked
• 6 hours ago
Three numbers are to be drawn without replacement from {1,2,.20}and every outcome is equally likely. If one of the selected numbers is 8,the probability that the sum of the three selected numbers is a multiple of 3 is. A) 1/5
...
more
B)1/4 C)1/3 D)1/2?
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Answer
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A Great Mission
asked
• 6 hours ago
Let
then,
a)
f
x
(x, 0) = 1
b)
f
y
(x, 0) = y
c)
f
x
(0,y)= y
d)
f
y
(0,y)= y
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
Shraddha Awatade
asked
• 6 hours ago
The number of elements of order 5 in a non-abelian group of order 10 is
a)
1
b)
5
c)
4
d)
8
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
A Great Mission
asked
• 6 hours ago
Let W[y
1
(x), y
2
(x)] is the Wronskian formed for the solutions y
1
(x) and y
2
(x) of the differential equation y" + a
1
y' + a
2
y = 0. If W ≠ 0 for some x = x
0
in [a, b] then
a)
It vanishes for any x ∈ [a, b]
b)
it does not vanish only at x = a
c)
it does not vanish for any x ∈ [a, b]
d)
it does not vanish only at x = b
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Akhilesh Kumar
asked
• 7 hours ago
Let ∑u
n
be a series of positive terms and let
, then which among the following does not express the condition for the Cauchy’s nth root test?
a)
If l < 1, ∑u
n
converges
b)
If l > 1 , ∑u
n
diverges
c)
If l = 1, the test fails and the series may either converge or diverge
d)
If l = 0, the series neither converges nor diverges
Correct answer is option 'D'. Can you explain this answer?
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Answer
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A Great Mission
asked
• 7 hours ago
Let
then,
a)
f(x, y) is continuous at (0, 0)
b)
f(0, y) is discontinuous at (0, 0)
c)
f(x, 0) is continuous at (0 , 0)
d)
None of these
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Akshita Cheetamun
asked
• 7 hours ago
Let T:R
2
-> R
2
be the transformation T(x
1
,x
2
) = (x
1
,0). The null space (or kernel) N(T) of T is
a)
(x
1
,0) : x
1
is real
b)
1
c)
(0,1)
d)
(0,x
2
) : x
2
is real
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Sonali Mane
asked
• 7 hours ago
Which of the following is not an equivalence relation in
a)
b)
x - y is an irrational number
c)
x - y is divisible by 3
d)
x - y is a perfect square
Correct answer is option 'A,B,D'. Can you explain this answer?
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Answer
to Question
Aakanksha Mishra
asked
• 8 hours ago
The values of the minors of the elements of the first row of the determinant
are respectively
a)
2,7,11
b)
7,11,2
c)
11,2,7
d)
7 ,2 ,11
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Sahil Sharma
asked
• 8 hours ago
The value of
is equal to
a)
-63
b)
20
c)
-43
d)
None of these
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Nazir Jehan
asked
• 8 hours ago
If A - {x: f(x) = 0} and B = { x : g(x) = 0}, then A∩B will be
a)
b)
c)
d)
None of these
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
Abhilash Mishra
asked
• 9 hours ago
Let
where b
1
= 1, b
2
= 1 and b
n+2
= b
n
+ b
n+1
,
Then
is:
a)
b)
c)
d)
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
Reena Gulia
asked
• 9 hours ago
How many of the following matrices have an eigen value 1?
and
a)
One
b)
Two
c)
Three
d)
Four
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
Bibhas Chandra Mitra
asked
• 9 hours ago
(1+yz)dx+x(z-x)dy-(1+xy)dz=0 solve the equation.
Related:
Definitions, Basic concepts
?
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Answer
to Question
Jai Kishan Dubey
asked
• 9 hours ago
The value of
is
a)
1/53
b)
2/21
c)
1/6
d)
5/3
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Diksha Srivastava
asked
• 9 hours ago
Needed a Document for analyric geometry?
Related:
Algebra for IIT JAM Mathematics
?
Attach
Answer
to Question
Nabakumar Das
asked
• 10 hours ago
Let M be the space of all 4 x 3 matrices with entries in the finite field of three elements. Then the number of matrices of Rank three In M is
a)
(3
4
- 3) (3
4
- 3
2
)(3
4
- 3
3
)
b)
(3
4
- 1)(3
4
- 2)(3
4
- 3)
c)
(3
4
- 1)(3
4
- 3) (3
4
- 3
2
)
d)
3
4
(3
4
- 1)(3
4
- 2)
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Nazir Jehan
asked
• 10 hours ago
The set of integer is
a)
ordered set
b)
non-ordered set
c)
set of irrational numbers
d)
does not statisfies principle of induction.
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
Akhilesh Kumar
asked
• 11 hours ago
Integrate -{x*3 /(e*x -1)}.dx , where (lower limit 0 , upper limit infinite)?
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Answer
to Question
Aditya Nath
asked
• 11 hours ago
Consider the differential equation
be its general solution and u(x) = x
3
then the value of v(x) at x=2 is, _________
Correct answer is '0.125'. Can you explain this answer?
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Answer
to Question
Deepika Aat
asked
• 11 hours ago
If e
2x
and xe
2x
are particular solutions of a second order homogeneous differential equation with constant coefficients, then the equation is
a)
b)
c)
d)
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
Jineva Dolui
asked
• 12 hours ago
{u} and {v} are two Cauchy sequence. Prove that {uv} is a Cauchy sequence?
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Answer
to Question
Jenifer Sebastin
asked
• 12 hours ago
Integral surface of (2x y — l)p + (z — 2x
2
)q = 2(x — yz) passing through the line x
0
(s) = 1 y
0
(s) = 0 z
0
(s) = s
a)
x
2
+ y
2
- yz - x + z =
b)
x
2
+ y
2
- xz - y + z = 1
c)
x
2
+ y
2
— xy — x + z =
d)
y
2
+ z
2
— xy + z — x = l
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
Sonu Saini
asked
• 13 hours ago
A particular solution of
a)
b)
c)
d)
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
NEETU SAINI
asked
• 13 hours ago
The generators of the group G = {a, a
2
, a
3
, a
4
= e} are
a)
a only
b)
a and a
2
c)
c and a
3
d)
a and a
4
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Priyanshu Rock Dp
asked
• 13 hours ago
Prove a cyclic group if the order of group is n and any elment of that group has order n?
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Answer
to Question
Om Prakash Kumawat
asked
• 13 hours ago
If
is given by T (x, y, z) = (x - y, y + 3z, x + 2y). Then T
-1
is
a)
b)
c)
d)
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
Mahima Jain
asked
• 13 hours ago
If G is a group, then for all a, b ∈ G
a)
(ab)
-1
= a
-1
b-
1
b)
(ab)
-1
= (b
-1
a
-1
)
c)
(ab)
-1
= ab
d)
(ab)
-1
= ba
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Suman Mondal
asked
• 14 hours ago
If x + 2y - 2u = 0, 2x - y - u = 0, x + 2z - u = 0, 4x -y + 3 z - u= 0 is a system of equations, then it is
a)
consistent with trivial solution
b)
consistent without trivial solution
c)
inconsistent with trivial solution
d)
inconsistent without trivial solution
Correct answer is option 'A'. Can you explain this answer?
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Answer
to Question
ASHIMA JAIN
asked
• 14 hours ago
If general solution of the differential equation ay",+ by"- cy’+ dy = 0 is linearly spanned by e
x
sin x and cos x, then which one of the following holds?
a)
a + b - c - d = 0
b)
a + b + c + d = 0
c)
a - b + c - d = 0
d)
a - b - c - d = 0
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
SHEELU AGRAWAL
asked
• 14 hours ago
Consider the differential equation
be its general solution and u(x) = x
3
then the value of v(x) at x=(-1) is, _________
Correct answer is '-0.16667'. Can you explain this answer?
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Answer
to Question
Shraddha Awatade
asked
• 15 hours ago
Let T be a linear transformation from a vector space
into a vector space
with U as finite dimensional. The rank of T is the dimension of the
a)
range of T
b)
null space of T
c)
vector space U
d)
vector space V
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Sonu Saini
asked
• 16 hours ago
All real solutions of the differential equation y" + 2ay' + by = cos x (where a and b are real constants) are periodic if
a)
a = 1 and b = 0
b)
a = 0 and 6 = 1
c)
a = 1 and b ≠ 0
d)
a = 0 and 6 ≠ 1
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Pranav Nampoothiry
asked
• 16 hours ago
Needed a Document for vector calculus?
Related:
Calculus for IIT JAM Mathematics
?
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Answer
to Question
Priyanshi
asked
• 16 hours ago
The multiplicative group {1, -1} is a subgroup of the multiplicative group
a)
{1, i, -i}
b)
{1,-1, i, -i}
c)
{1,0, -1, -i}
d)
{-1, i, -i}
Correct answer is option 'B'. Can you explain this answer?
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A Great Mission
asked
• 17 hours ago
Let M be a skew symmetric orthogonal real Matrix. Then only possible eigenvalues are
a)
- 1, 1
b)
- i, i
c)
0
d)
1, i
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Vicky Kumar
asked
• 20 hours ago
If
then the value of
is _______ .
Correct answer is '3'. Can you explain this answer?
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Answer
to Question
Raju Kumar
asked
• 20 hours ago
Formula trignomatery?
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Answer
to Question
KRISHNA SHAURYA
asked
• 20 hours ago
The generators of a group G = {a, a
2
, a
3
, a
4
, a
5
, a
6
= e) ar
a)
a and a
5
b)
a
2
and a
4
c)
a
3
and a
5
d)
a
2
and a
3
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Nazir Jehan
asked
• 20 hours ago
The half interval [0, l) have
a)
maximal element only
b)
minimal element only
c)
maximal and minimal both element
d)
no maximal and no minimal element.
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Anna Mathew
asked
• 20 hours ago
For n 6= m, Let T1 : R n → R m and T2 : R m → R 2 be linear transformations such that T1T2 is bijective. Then find the rank of T1 and T2.
Related:
Vector Spaces and Subspaces - Vector Algebra, CSIR-NET Mathematical Sciences
?
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Answer
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Sudip Samanta
asked
• 21 hours ago
In a group G, a²b²=b²a² and a³b³=b³a³ hold for all a, b€G. Prove that the group is abelian
Related:
Groups, Subgroups, Cyclic Groups and Permutation Groups - CSIR-NET Mathematical Sciences
?
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Answer
to Question
Mr Rehan
asked
• 21 hours ago
Let the linear transformation
be defined by T(x
1
, x
2
) = (x
1
, x
2
+ x
2
, x
2
). Then the nullity of T is
a)
0
b)
1
c)
2
d)
3
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Mahathi Bareppady
asked
• 21 hours ago
The sequence {x
n
}, where
a)
increasing but not bounded
b)
decreasing and bounded
c)
increasing and bounded
d)
decreasing but not bounded
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Deepak Singh
asked
• 21 hours ago
Let f : (0, ∞ ) → R be a differentiable function such that f'(x
2
) = 1 - x
3
for all x > 0 and f(1) = 0.
Then f(4) equals
a)
-47/5
b)
-47/10
c)
-16/5
d)
-8/5
Correct answer is option 'A'. Can you explain this answer?
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A Great Mission
asked
• 21 hours ago
If A and B are two matrices such that AB and BA both exist, then which is not corret?
a)
Eigenvalues of AB and BA are same
b)
|AB| = |BA|
c)
Trace (AB) = Trace (BA)
d)
Rank (AB) = Rank (BA)
Correct answer is option 'D'. Can you explain this answer?
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Answer
to Question
Ruhi Sharma
asked
• 22 hours ago
Needed a Document for pesticides?
Related:
Algebra for IIT JAM Mathematics
?
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Answer
to Question
Sunidhi Singh
asked
• 22 hours ago
The sequence {x
n
}, where x
n
converges to
a)
0
b)
1
c)
2/3
d)
None of these
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Aabha Jain
asked
• 23 hours ago
Then the value fo F(α) . F(β) is
a)
2
b)
-1/2
c)
1/2
d)
none
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Anupam Rathor
asked
• yesterday
If set A is empty then cardinality of the set P ( p ( P ( A ) ) ) is
a)
6
b)
16
c)
2
d)
4
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Shivam Sharma
asked
• yesterday
Let A = {1,2,3,4}, B = { 2,4,5 } and C = A ∩ B then number of symmetric relation on C is
a)
3
b)
8
c)
2
d)
4
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Curiosity With Wickedmin
asked
• yesterday
Let A = {a, b, c} and B = {c, d, e} then the number of both way relation is
a)
4
b)
8
c)
2
d)
16
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Sneha Mote
asked
• yesterday
Two finite sets m and n elements. The total number of subsets of the first set is 56 more than the total number of subsets of the second set. Then the values of m and n are respectively.
a)
8,5
b)
6,3
c)
4,1
d)
none of these
Correct answer is option 'B'. Can you explain this answer?
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Shikha Pradhan
asked
• yesterday
Let a
1
= b
1
= 0, and for each n ≥ 2, let a
n
and b
n
be real numbers given by
Then which one of the following is TRUE about the sequences {a
n
} and {b
n
}?
a)
Both {a
n
} and {b
n
} are divergent
b)
{a
n
} is convergent and {b
n
} is divergent
c)
{a
n
} is divergent and {b
n
} is convergent
d)
Both {a
n
} and {b
n
} are convergent
Correct answer is option 'D'. Can you explain this answer?
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Allumariyam Mathews
asked
• yesterday
Solve the pde py qx= xyz^2(x^2-y^2)?
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Anupam Kumar
asked
• yesterday
ABCD is a parallelogram in which R is a point on diagonal AC such that R is mid point of EF where E is a point on BC and F is a point on CD and also EF parallel BD. prove that BE =FD?
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Curiosity With Wickedmin
asked
• yesterday
Let H = Z
2
x Z
6
and K = Z
2
x Z
4
, then
a)
H is isomorphic to K, since both are cyclic.
b)
H is isomorphic to K since 2 divides 6 and gcd(3,4) = 1
c)
H is not isomorphic to K, since K is cyclic where as H is number.
d)
H is not isomorphic to K, since there is no homomorphism from H to K.
Correct answer is option 'C'. Can you explain this answer?
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Muskan Jakhar
asked
• yesterday
Let f :
be a scalar field,
be a vector filed and let
be a constant vector. If
represents the position vector
then which one of the following is FALSE?
...
more
a)
b)
div(grad(f ))
c)
d)
Correct answer is option 'C'. Can you explain this answer?
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Atul Gupta
asked
• yesterday
Which of the following is not linear?
a)
such that
(x, y) = (2x - y, x)
b)
such that
(x,y, z) = (z,x + y)
c)
such that
(x) = (2x, 3x)
d)
such that
(x ,y ,z) = (x + 1 ,y + z)
Correct answer is option 'D'. Can you explain this answer?
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BHARTI SHAKYA
asked
• yesterday
The sequence
a)
bounded and convergent
b)
convergent and unbounded
c)
bounded and divergent
d)
divergent and unbounded
Correct answer is option 'C'. Can you explain this answer?
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Bithi Maikap
asked
• yesterday
Test the convergence of the series sinπ|2 sinπ|4 sinπ|8 .?
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HIRAL THAKAR
asked
• yesterday
Consider the following statements:
1. A group of order 289 is abelian.
2. In S
3
there are four elements satisfying x
2
= e and six elements satisfying y
3
= e.
3. Every proper subgroup of S
3
is cyclic.
4. (Z
30
,
has 4 subgroups of order 15 .
Correct statements are:
a)
l and 4
b)
1 ,3 and 4
c)
1 and 2
d)
1 and 3
Correct answer is option 'D'. Can you explain this answer?
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Aasim Qureshi
asked
• yesterday
Solution of
is
a)
y = e
x
(C
1
log x + C
2
sin x)
b)
y = e
x
(C
1
log x + C
2
)
c)
y = e
x
(C
1
log x + C
2
cos x)
d)
y = -e
x
(C
1
log x - C
2
sin x)
Correct answer is option 'B'. Can you explain this answer?
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Shivani Pandey
asked
• yesterday
Let G be permutation group on a set A of 6 symbols. Then the order of proper normal subgroup of G is
a)
120
b)
240
c)
360
d)
720
Correct answer is option 'C'. Can you explain this answer?
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AMITABH SHARMA
asked
• yesterday
Consider the following relations, which of the following is an equivalence relation?
a)
m~n if and only if mn ≥ 0
b)
m~n if and only if mn > 0
c)
m~n if and only if |m| = |n|
d)
m~n if and only if mn ≤ 0
Correct answer is option 'C'. Can you explain this answer?
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SONIKA MAHESHWARI
asked
• yesterday
is equal to
a)
b)
sin
-1
(2x-1) + C
c)
log (2x - 1) + C
d)
tan
-1
(2x - 1) + C
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Mahima Shivhare
asked
• yesterday
Solution of xyp^2 (X2 xy y^2)p x^2 xy=0?
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Kilaparti Sekhar
asked
• yesterday
if
are the vectors reciprocal to vectors
then, the value of
is
a)
zero
b)
1
c)
2
d)
3
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Ankit Sharma
asked
• yesterday
A group (G, *) has 10 elements. What is the minimum number of elements of G which are their own inverse?
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Parth Pokhriyal
asked
• yesterday
Let G be group of order 1225, then G is
a)
abelian but not cyclic group
b)
cyclic group
c)
simple group
d)
None of the above
Correct answer is option 'B'. Can you explain this answer?
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Technical India
asked
• yesterday
then
a)
both <b
n
> and Sb
n
are convergent
b)
both <b
n
> and Sb
n
are divergent
c)
<b
n
> is convergent but Sb
n
is not
d)
Sb
n
is convergent but < b
n
> is not
Correct answer is option 'C'. Can you explain this answer?
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JAYESH KUMAR LABHU
asked
• yesterday
If f(x) is differentiable on interval l and
such that |f'(x)| ≤ a on l, then f(x) is
a)
Continuous but not uniformly continuous on l
b)
Uniformly continuous but not continuous on l
c)
Uniformly continuous but not differentiable on l
d)
Continuous, uniformly continuous and differentiable on l
Correct answer is option 'A'. Can you explain this answer?
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GORDHAN LAL BISHNOI
asked
• yesterday
The series
convergent for
a)
all real value o f x
b)
| x | < 1 only
c)
| x | ≤ 1
d)
-1 < x ≤ 1
Correct answer is option 'D'. Can you explain this answer?
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Shraddha Awatade
asked
• yesterday
Let a,b,c,d be distinct non zero real numbers with a + b = c + d. Then an eigenvalue of the matrix
a)
a + c
b)
a + b
c)
a - b
d)
b - a
Correct answer is option 'B'. Can you explain this answer?
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Nabakumar Das
asked
• yesterday
Let A be a real 3 x 4 matrix of rank 2, then the rank of A
t
A, where A
t
deonles the transpose of A. is
a)
exactly 2
b)
exactly 3
c)
exactly 4
d)
atmost 2 but not necessarily 2.
Correct answer is option 'A'. Can you explain this answer?
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Shaheen Begum
asked
• yesterday
Needed a Test for csir net?
Related:
Elementary Set Theory - CSIR-NET Mathematical Sciences
?
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Subhadeep Dutta
asked
• yesterday
Let a
n
= least power of 2 that divides n. Then <a
n
> is
a)
divergent to infinity
b)
bounded
c)
having a subsequence converging to 3
d)
convergent
Correct answer is option 'B'. Can you explain this answer?
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Md Nur
asked
• yesterday
Let f:
be defined as f (t) =
f(t )dt
a)
is equal to - 1
b)
is equal to 0
c)
is equal to 1
d)
does not exist
Correct answer is option 'A'. Can you explain this answer?
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K Sushma Yadav
asked
• yesterday
The sequence
a)
divergent
b)
convergent to 0
c)
convergent to 1
d)
None of these
Correct answer is option 'A'. Can you explain this answer?
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BRIJ MOHAN SHARMA
asked
• yesterday
is equal to:
a)
1/4
b)
1/3
c)
1/2
d)
1
Correct answer is option 'B'. Can you explain this answer?
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