Question

高等数学，这题求导过程

Answer 1

复合函数求导，拆开分别求啊，(ug)'＝u'g＋g'u

追问

我总是比答案少-2倍，不知道哪错了

追答

没那计算能力就按我说的公式一个一个算，难不成还得我算给你看，体力活我不做

Answer 2

y = 2(x-1)e^[-(x-1)^2]
y' = 2e^[-(x-1)^2] + 2(x-1)e^[-(x-1)^2] [-2(x-1)]
= 2e^[-(x-1)^2] [1 - 2(x-1)^2]