答案错了！根据一阶导数可以知道这个函数应该是 y = e^[-(x-1)²]吧y' =-2(x-1) e^[-(x-1)²] ，这个没有错y" = -2 e^[-(x-1)²] -2(x-1) e^[-(x-1)²]*[-2(x-1)]= -2 e^[-(x-1)²] [1-2(x-1)²]= -2 e^[-(x-1)²] (-2x²+4x-1)
求不出来这是什么
