Problem

甲、填充題：共 8 題，每題 8 分，共 64 分。請在答案卷上列出題號依序作答。

6. Find the volume of solid bounded above by $z=f(x,y)=e^{-x^2}$ and below by the plane region $R$ which is bounded by $y=x$, $x=1$ and $y=0$. Answer : \underline{\quad(1)\quad}