1. The problem statement, all variables and given/known data Hi, I have a double integral with square root of 1-x^3 that I can't solve. Here is the integral and attempt at the solution. I get stuck! 2. Relevant equations I am in Calc II. Mostly we used integration by parts, or substituting t=something for most "difficult" integrals. 3. The attempt at a solution Above. Hope someone can help or give me a hint how to solve this. Thanks!