求导In(x+√(x^2+1)),其答案为1⼀√(x^2+1).求其运算过程。拜托了。

2024-12-04 22:11:27
推荐回答(1个)
回答1:

y′=(1+2x/(2*√(x²+1))/(x+√(x²+1))
=[(x+√(x²+1))/√(x²+1)]/(x+√(x²+1))
= 1/√(x²+1)