已知函数
.
(1)求函数
的单调增区间;
(2)函数
在区间
上的最大值和最小值;
(3)求证:存在大于
的正实数
,使得不等式
在区间
有解.(其中e为自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb18bf398fcc3f12f1d7dd7b23cc79bd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
(3)求证:存在大于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccd2e958212d91ed604c173ee16258a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250efc52967a2d57ef380bd28db3cbd1.png)
更新时间:2022-01-17 16:14:18
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适中
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名校
【推荐1】已知函数
.
(I)当
取何值时
取最大值,并求最大值;
(II)设常数
,若
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上是增函数,求
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(I)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(II)设常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
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【推荐2】设函数
.
(1)求
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(2)求最小的正数
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(1)求
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(2)求最小的正数
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适中
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【推荐1】已知函数
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(1)求
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(2)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7d86b8d2c24a83bfe268e52c8e29dc.png)
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(1)求
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(2)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐2】已知函数
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(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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(2)若
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解题方法
【推荐1】在
中,已知向量
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(1)求角C的大小;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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适中
(0.65)
名校
【推荐2】已知向量
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(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐3】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40d07671ed073d841d53043280da014.png)
的最小正周期为
.
(1)求函数
的单调增区间;
(2)将函数
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的图象,求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40d07671ed073d841d53043280da014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bffbdc4900807d303b4a0277a551fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
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【推荐1】已知函数
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce6f98be73a228433ecd6caaafd9923.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19423d2c3c63eb80bcb4b7b240429b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce6f98be73a228433ecd6caaafd9923.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
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您最近一年使用:0次
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适中
(0.65)
名校
【推荐2】已知函数
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(1)求函数
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(2)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95a1d9a86dac105a6136ab2452b35b2.png)
您最近一年使用:0次