Recent content by Cajstyle

I was previously using this as a method to solve them but I ran into a few instances of having different answers than the book. I'll look further into it, thank you for the response.

Homework Statement I'm given the problem: \int\frac{\sqrt{y^{2}-25}}{y} dy Homework Equations I set y = 5sec(u), and solve for the subsitution. The Attempt at a Solution At the culmination of my solution, I achieve: 5tan(u) - 5u + C Here is my dilemma, u stands for...