$\int_0^1 \int_\sqrt{y}^1 \sqrt{x^3+1} \, dx \, dy$ Here is my problem in my workbook. If I solve this problem by definition, that find integral for $x$, after that solve for $y$. so $\int_\sqrt{y}^1 \sqrt{x^3+1} \, dx$ is so complicate. I have used Maple, but the result still long and complicate that I cannot use it to find integral for $y$.
Thanks :)