If I_1= e^x ,dx e^x+e^ -x and I_2= dx e^ 2x +1 , then what is I_1+I_2 equal to?

NDA 2022 Mathematics question

If and , then what is equal to?

Answer: (B)

Multiply numerator and denominator of the first integrand by : $ =

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

Question ID VK-029354