[Everyday Mathematics]20150225
2015-01-21 21:10
323 查看
设 $f:\bbR\to\bbR$ 二次可微, 适合 $f(0)=0$. 试证: $$\bex \exists\ \xi\in\sex{-\frac{\pi}{2},\frac{\pi}{2}},\st f''(\xi)=f(\xi)(1+2\tan^2\xi). \eex$$
相关文章推荐
- [Everyday Mathematics]20150107
- [Everyday Mathematics]20150119
- [Everyday Mathematics]20150125
- [Everyday Mathematics]20150209
- [Everyday Mathematics]20150108
- [Everyday Mathematics]20150120
- [Everyday Mathematics]20150126
- [Everyday Mathematics]20150210
- [Everyday Mathematics]20150218
- [Everyday Mathematics]20150228
- [Everyday Mathematics]20150109
- [Everyday Mathematics]20150121
- [Everyday Mathematics]20150127
- [Everyday Mathematics]20150219
- [Everyday Mathematics]20150301
- [Everyday Mathematics]20150110
- [Everyday Mathematics]20150128
- [Everyday Mathematics]20150220
- [Everyday Mathematics]20150302
- [Everyday Mathematics]20150304