Question

Calculus @zepdrix

Answer 1

Would I substitute tan u and sec^2 u for dx, find the integral, then plug in tan ^-1 x for u, or would I solve the integral with x, and then do all the plugging in?

Answer 2

@zepdrix

Answer 3

well, they are two separate problems. Just do the substitution like it says for part a. and it will be an easy integral du/u style mostly

Answer 4

Ok

Answer 5

So solve this?