求y=(x+1)⼀(x-1) 的导数

2025-06-21 01:36:12
推荐回答(2个)
回答1:

y=(x+1)/(x-1)
=(x-1+2)/(x-1)
=1+2/(x-1)
y`=-2/(x-1)²

回答2:

2x