- #1
stihl29
- 25
- 0
Homework Statement
[tex]\int\frac{\sqrt{1+x}+\sqrt{1-x}} { \sqrt{1+x}-\sqrt{1-x}}{dx}[/tex]
Homework Equations
I believe trig substitution can be used here. I'm not very good at calculus only beginning to take calc classes, and guideance would be wonderful. because i want to get better.
The Attempt at a Solution
I don't have any idea on what to substitute.
x = some thing like x^2 ??
or u = 1 - x
and u = 1 + x ??