高数分部积分的问题,题目和疑问都在图片上标明了

2025-04-29 15:27:45
推荐回答(1个)
回答1:

(ye^y)' = e^y + ye^y
d(ye^y) = (e^y + ye^y)dy = (1+y)e^ydy
∫[1/(1+y)]d(ye^y) = ∫ e^ydy