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Differential Equations - 14 - Mathematics MCQ


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20 Questions MCQ Test Topic-wise Tests & Solved Examples for Mathematics - Differential Equations - 14

Differential Equations - 14 for Mathematics 2024 is part of Topic-wise Tests & Solved Examples for Mathematics preparation. The Differential Equations - 14 questions and answers have been prepared according to the Mathematics exam syllabus.The Differential Equations - 14 MCQs are made for Mathematics 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Differential Equations - 14 below.
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Differential Equations - 14 - Question 1

The boundary value problem  x ∈ [0, π], y(0), = 0, y(π) = 0 has

Detailed Solution for Differential Equations - 14 - Question 1


Differential Equations - 14 - Question 2

A lineal- differential equation

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Differential Equations - 14 - Question 3

A differenlial equation dy/dx = y tanx - 2sin x has an integrating factor

Detailed Solution for Differential Equations - 14 - Question 3


Differential Equations - 14 - Question 4

Equation 

Detailed Solution for Differential Equations - 14 - Question 4

m2 - 3m + 2 = 0
⇒ m = 1, 2

Differential Equations - 14 - Question 5

The general solution of the differential equation 

Detailed Solution for Differential Equations - 14 - Question 5


Differential Equations - 14 - Question 6

The solution of the differential equation  where C is a constant.

Detailed Solution for Differential Equations - 14 - Question 6



Differential Equations - 14 - Question 7

The degree of the differential equation 

Detailed Solution for Differential Equations - 14 - Question 7

Differential Equations - 14 - Question 8

The integrating factor of the differential equation   is calculated as 

Detailed Solution for Differential Equations - 14 - Question 8



Differential Equations - 14 - Question 9

The solution of the recurrence relation xn = 2 (xn-1 + xn-2) with x1 = 1 and x2 = 1 - √3 is

Detailed Solution for Differential Equations - 14 - Question 9



Differential Equations - 14 - Question 10

Which of the following transformations reduces the given differential equation  into homogeneous one?

Detailed Solution for Differential Equations - 14 - Question 10


If x = X + h and y = Y + k is taken, then h - k + 1 = 0 and h + 2k - 3 =  0

Differential Equations - 14 - Question 11

The solution of the differential equation y'' + 4y = 0 subject to y(0) = 1, y’ (0) = 2 is

Detailed Solution for Differential Equations - 14 - Question 11


Differential Equations - 14 - Question 12

General solution of the differential equation x dy = (y+ xe-y/x)dx is given by

Detailed Solution for Differential Equations - 14 - Question 12



So differential equation (1) is

Differential Equations - 14 - Question 13

A particular solution of the differential equation (D4 + 2D2 - 3) y = ex is 

Detailed Solution for Differential Equations - 14 - Question 13


Differential Equations - 14 - Question 14

A particular solution of the differentia! equation y"'- 3y'' + 3y' - y = ex cos 2x is

Detailed Solution for Differential Equations - 14 - Question 14

y''' + 3y" - y = ex cos 2x   .....(i)
It’s particular integral is 


Differential Equations - 14 - Question 15

If y = In (sin (x + a)) + b, where a and b are constants, is the primitive, then the corresponding lowest order differential equation is

Detailed Solution for Differential Equations - 14 - Question 15


Differential Equations - 14 - Question 16

Solution of the differential equation xy' + sin 2y = x3 sin2y is

Detailed Solution for Differential Equations - 14 - Question 16



which is a linear differential equation, so,

Differential Equations - 14 - Question 17

The general solution of the differential equation y"' +  y" - y' - y = 0 is

Detailed Solution for Differential Equations - 14 - Question 17


Differential Equations - 14 - Question 18

The solution of the differential equation 

Detailed Solution for Differential Equations - 14 - Question 18

For the given differential equation
M = x2y+ xy2

so the differential equation is exact so, its solution is

Differential Equations - 14 - Question 19

Let y[x) = x sin x be one of the solution of an nth order linear differential equation with constant coefficients. Then the minimum value of n is

Detailed Solution for Differential Equations - 14 - Question 19

x sin x is one of the solution then x cos x, sin x, cos x must be the part of the solution, so minimum order of diffeerenlial equation will be 4.

Differential Equations - 14 - Question 20

The solution of the initial value problem xy’ - y = 0 with y(1) = 1 is

Detailed Solution for Differential Equations - 14 - Question 20



In y = In x + In c
y = cx
Al x = 1; y = 1, so eq. (1) becomes
1 = C. 1 ⇒ C= 1
so y(x) = x.

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