e^x/2的定积分(从2到0)怎么求?
问题描述:
e^x/2的定积分(从2到0)怎么求?
答
积分:(0,2)[e^x]/2dx
=[e^x]/2|(0,2)
=(e^2)/2-(e^0)/2
=(e^2)/2-1/2