請各位幫解這題 附近朋友都不會 教授也不給答案.....Find the volume of the soild obtained by rotating about the y-axis the region bounded by the curves y=e的-x平方的次方，y=0,x=0，x=1自譯中求出被y=e的-x平方的次方，y=0,x=0，x=1所包圍的體積(繞y軸)感謝.
