已知函数
,
.
(Ⅰ)求过原点
,且与函数
图象相切的切线方程;
(Ⅱ)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468e12e54a9f92597209394a014926e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af6f6a7c22b721d9d526234413d1c69.png)
(Ⅰ)求过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
更新时间:2018-07-13 07:10:11
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