Posted by haifeng on 2020-11-16 17:03:19 last update 2020-11-16 17:03:19 | Answers (1) | 收藏
P. 139 习题 3.5
1. 求下列曲线的凹凸区间与拐点.
(2) $y=\ln(x^2+1)$
