Question

How do you find the antiderivative of `(5x+1)^2`?

Answer 1

For a polynomial of just degree 2, I would expand the function and solve using the power rule.

Therefore `(5x+1)^2=25x^2+10x+1`

`int(25x^2+10x+1)dx=25/3x^3+5x^2+x+c`