Y=X根号[1-X⼀1+X]的导数是什么

2025-04-15 11:29:52
推荐回答(1个)
回答1:

y' = x' * √[(1-x)/(1+x)] + x * {√[(1-x)/(1+x)]}'
= √[(1-x)/(1+x)] + x * √[(1+x)/(1-x)] * [(1-x)/(1+x)]'
= √[(1-x)/(1+x)] + x * √[(1+x)/(1-x)] * [(1 - x + 1 + x) / (1 + x)²]
= √[(1-x)/(1+x)] + 2x/ (1 + x)² * √[(1+x)/(1-x)]