已知函数
.
(1)证明:当
时,
;
(2)若函数
有两个零点
.
①求
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12adf5ef80e4a31decd3e8ec1905a534.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b4f444d4dc94ff61b2e64e5ff92372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12bb063fcb1954df530b1d406f82305a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6d418c37e725323e7333bc26ff0526.png)
更新时间:2024-03-12 16:38:04
|
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解答题-证明题
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解题方法
【推荐1】已知函数
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(1)若
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①求曲线
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②求函数
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(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
②求函数
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(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383a70d2cb5e4f0faa244967f3b359b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505d56f0b35fe7f2de1fe1888036e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81061b8ba2253a8650baa321163c7cda.png)
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解答题-证明题
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困难
(0.15)
解题方法
【推荐2】英国数学家泰勒发现了如下公式:
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(1)证明:当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf4a87ad1e9742f47b0c5b44b8dfab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b80c875ad8fafc41d5c82baf23bb5e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48350c9f896c18a64f27867ca81c9be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e510e333b7dcc02f3f763eed7174fae9.png)
(2)证明:对任意的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c15c55fc99e9b54eb6a797e5bc5b7e.png)
(3)证明:e是无理数.
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解答题-证明题
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【推荐1】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70303c6ad15636a1b0947c522e2cf605.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】已知函数
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