- #1
Justabeginner
- 309
- 1
Homework Statement
Evaluate the integral ∫1/(x^4)(sqrt(a^(2) - x^(2))
Homework Equations
u= dx/sqrt(a^2-x^2)
du= arcsin(x/a)dx
The Attempt at a Solution
Am I even doing this right? And if so, how would I express 1/x^4 in terms of u? Have I taken the right u-substitution? Thanks.