題目 4. (15%)(15\%)(15%) Find the volume of the ellipsoid generated by resolving the semiellipse y=1aa2−x2, ∣x∣≤a,y=\frac{1}{a}\sqrt{a^2-x^2},\ |x|\le a,y=a1a2−x2, ∣x∣≤a, about the xxx-axis. 解答
