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

Get unlimited access to the best preparation resource for IMO-Level-2 : Get full length tests using official NTA interface: all topics with exact weightage, real exam experience, detailed analytics, comparison and rankings, & questions with full solutions.

Long Answer (L. A.)

Question 25:

Solve:

Answer:

Given differential equation is

Dividing both sides by we get

Which is a linear differential equation.

On comparing it with we get

The complete solution is

The general solution is

Now,

And

On substituting of value of

Question 26:

Find the general solution of .

Answer:

Given differential equation is

On dividing throughout by

Dividing both sides by

Which is a linear differential equation

On comparing it with

The general solution is

Question 27:

Solve:

Answer: