NCERT Class 12-Math՚s: Chapter – 9 Differential Equations Part 13 (For CBSE, ICSE, IAS, NET, NRA 2023)
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Question 39:
Solution of differential equation represents:
(A) A rectangular hyperbola
(B) Parabola whose vertex is at origin
(C) Straight line passing through origin
(D) A circle whose centre is at origin
Answer: (C)
Question 40:
Integrating factor of the differential equation is:
(A)
(B)
(C)
(D)
Answer: (C)
Question 41:
Solution of the differential equation is:
(A)
(B)
(C)
(D)
Answer: (D)
Question 42:
Family of curves is represented by the differential equation of degree:
(A)
(B)
(C)
(D)
Answer: (A)
Question 43:
Integrating factor of is
(A)
(B)
(C)
(D)
Answer: (C)
Question 44:
Solution of is given by
(A)
(B)
(C)
(D)
Answer: (D)
Question 45:
The number of solutions of when is:
(A) None
(B) One
(C) Two
(D) Infinite
Answer: (B)
Question 46:
Which of the following is a second order differential equation?
(A)
(B)
(C)
(D)
Answer: (B)
Question 47:
Integrating factor of the differential equation is
(A)
(B)
(C)
(D)
Answer: (C)
Question 48:
is the general solution of the differential equation:
(A)
(B)
(C)
(D)
Answer: (C)