已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9f0f53007f9a27c8d3adc08ea6d138.png)
(1)若
在(﹣1,
)上是单调递增函数,求实数a的取值范围;
(2)若
在(﹣1,
)上是单调递减函数,求实数a的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9f0f53007f9a27c8d3adc08ea6d138.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8887bc1f890d81bd4246af70423ee197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e055bc46d3fa50e79532ec5b3665d99b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e055bc46d3fa50e79532ec5b3665d99b.png)
更新时间:2020-07-17 15:28:25
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解题方法
【推荐1】已知函数
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(1)当
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(2)若函数
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(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐2】已知函数
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;
②当
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(2)是否存在最大的整数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7c4adef3485e8ac6e50d1926365327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de55b7501aec0a283d614052f460f07f.png)
(1)证明:①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e299b4fa90b7a734e03e7a6d7e0e89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd952d2c1a29e4758f5e6c415305fd98.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842c2ef9893cc67e621e272fa0be9926.png)
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(2)是否存在最大的整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411d889223f145fae1a196d2e79943dd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebb1edeadfd263a859d3448691e0185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10f93d520fb1e011a83cf19d6a0975d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ad328bffb5f497153dc0e59939257.png)
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