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Test: Continuity And Differentiability - JEE MCQ


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25 Questions MCQ Test Mathematics (Maths) for JEE Main & Advanced - Test: Continuity And Differentiability

Test: Continuity And Differentiability for JEE 2024 is part of Mathematics (Maths) for JEE Main & Advanced preparation. The Test: Continuity And Differentiability questions and answers have been prepared according to the JEE exam syllabus.The Test: Continuity And Differentiability MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Continuity And Differentiability below.
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Test: Continuity And Differentiability - Question 1

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Test: Continuity And Differentiability - Question 2

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Test: Continuity And Differentiability - Question 3

Let f(x) = x – [x], then f ‘ (x) = 1 for

Detailed Solution for Test: Continuity And Differentiability - Question 3

f(x) = x -[x] is derivable at all x ∈ R – I , and f ‘(x) = 1 for all x ∈ R – I .

Test: Continuity And Differentiability - Question 4

f (x) = max {x, x3},then the number of points where f (x) is not differentiable, are

Detailed Solution for Test: Continuity And Differentiability - Question 4

f(x)=m{x,x3}
= x;x<−1 and
= x3;−1≤x≤0
⇒ f(x)=x;0≤x≤1 and
= x3;x≥1
∴ f(x)=1;x<−1
∴ f′(x)=3x2;− 1≤x≤0 and =1
 0<x<1
Hence answer is 3

Test: Continuity And Differentiability - Question 5

If f(x) = tan-1x and g(x) = , then

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Test: Continuity And Differentiability - Question 6

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Test: Continuity And Differentiability - Question 7

The function f (x) = 1 + | sin x l is

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f(x) = 1+|sinx| is not derivable at those x for which sinx = 0, however, 1+|sinx| is continuous everywhere (being the sum of two continuous functions)

Test: Continuity And Differentiability - Question 8

Let f (x + y) = f(x) + f(y) ∀ x, y ∈ R. Suppose that f (6) = 5 and f ‘ (0) = 1, then f ‘ (6) is equal to

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Test: Continuity And Differentiability - Question 9

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Test: Continuity And Differentiability - Question 10

Derivative of log | x | w.r.t. | x | is

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d/dx(log|x|)
= 1/|x|

Test: Continuity And Differentiability - Question 11

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Test: Continuity And Differentiability - Question 12

The function, f (x) = (x – a) sin   for x ≠ a and f (a) = 0 is

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Test: Continuity And Differentiability - Question 13

If x sin (a + y) = sin y, then  is equal to

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x sin(a+y) = sin y
⇒ 

 

Test: Continuity And Differentiability - Question 14

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Test: Continuity And Differentiability - Question 15

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Test: Continuity And Differentiability - Question 16

If [x] stands for the integral part of x, then

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If c is an integer , then  Does not exist.

Test: Continuity And Differentiability - Question 17

Let f (x) = [x], then f (x) is

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f(x) = [x] is derivable at all x except at integral points i.e. on R – I .

Test: Continuity And Differentiability - Question 18

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Test: Continuity And Differentiability - Question 19

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Test: Continuity And Differentiability - Question 20

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Test: Continuity And Differentiability - Question 21

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Test: Continuity And Differentiability - Question 22

The function f (x) = [x] is

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The function f (x) = [x] isdiscontinuous only for all integral values of x.

Test: Continuity And Differentiability - Question 23

Let f be a function satisfying f(x + y) = f(x) + f(y) for all x, y ∈ R, then f ‘ (x) =

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Test: Continuity And Differentiability - Question 24

 

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Test: Continuity And Differentiability - Question 25

If x = at2, y = 2at, then  is equal to 

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