If x^2 - x + 1 x^2 + 1 e^ ^ -1 x dx = A(x)e^ ^ -1 x + C, then A(x) is equal to :

JEE Main 2013 Mathematics question

If , then A(x) is equal to :

Answer: (2)

The integrand is . Since $ =

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-104068