Question

How do you find the antiderivative of `int (x^2+1)^2 dx`?

Answer 1

`int(x^2+1)^2dx=x^5/5+2x^3/3+x+c`

Explanation:

`int(x^2+1)^2dx=`

`int(x^4+2x^2+1)dx=`

`x^5/5+2x^3/3+x+c` , `c` `in` `RR`