函数求导 像分子上是负数的怎么求?

2025-04-29 16:13:50
推荐回答(2个)
回答1:

当常数

回答2:

(8) y=-1/(2√x)
=(-1/2)x^(-1/2)
y'=(-1/2)(-1/2)x^(-1/2-1)
=1/4x^(-3/2)