NCERT Class 12-Mathematics: Chapter – 9 Differential Equations Part 16 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 68:

The order and degree of the differential equation are

(A)

(B)

(C)

(D)

Answer: (C)

Question 69:

The differential equation of the family of curves is:

(A)

(B)

(C)

(D)

Answer: (C)

Question 70:

Which of the following is the general solution of

(A)

(B)

(C)

(D)

Answer: (A)

Question 71:

General solution of is:

(A)

(B)

(C)

(D)

Answer: (A)

Question 72:

Solution of the differential equation is

(A)

(B)

(C)

(D)

Answer: (A)

Question 73:

The general solution of the differential equation is:

(A)

(B)

(C)

(D)

Answer: (C)

Question 74:

The solution of the differential equation is:

(A)

(B)

(C)

(D)

Answer: (B)

Question 75:

The solution of the differential equation is:

(A)

(B)

(C)

(D)

Answer: (A)