求导就用链式法则一步步来,
[ln(1+x^2)]^2 '
= 2ln(1+x^2) * [ln(1+x^2)] '
= 2ln(1+x^2) * 1/(1+x^2) * (1+x^2)'
= 2ln(1+x^2) * 1/(1+x^2) * 2x
=4x/(1+x^2) *ln(1+x^2)
猜你喜欢
- 1你能在括号里填上合适的字,表示自然界的各种特殊的风吗?（）风残月?
- 2CAD画图中地形图带高程的数字怎么一分解就没有了
- 3如果a的三次方等于125,三次根号b等于五分之a,求:a+b的值
- 4怎样鉴别Agcl,AgBr,AgI
- 5马克思主义基本原理
- 6He left ______ (angry)without saying goodbye to us.
- 7A SET OF 同 A SERIES OF 有什么区别啊?
- 8it's none of my business,I just want to make Soy Sauce
- 9解方程：3分之x+x=36 x/3+x=36
- 10计算 (x+2)²-(x-1)(x+2) （m-2n+3)（m+2n-3)