设函数
的最大值为
.
(1)求
的值;
(2)设正数
满足
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453ea5fb133190eaf5897c73ce5b13e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989680e6b74504b71f5ece8771c5301d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c988ef35a2339d0b21494454554c3fc.png)
更新时间:2021-05-03 11:24:21
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解答题-问答题
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解题方法
【推荐1】已知
,且
,证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f058ae9aaef55a2fc8e9c6c9c94bfb77.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538b069716a324b15e166c43d30c537f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07269a0092b72e23991dc94f89dff95e.png)
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解答题-问答题
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名校
解题方法
【推荐2】在①
,②
,③
这三个条件中选择一个,补充在下面问题中,并给出解答.
已知函数
满足______.
(1)求
的值;
(2)若函数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34e9794d31b207750914222a39d9036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c0f05773123ba547d3c3601f846f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8133a711d4223bfd084ef61a9bbc391f.png)
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260fb1a0b83ff1b178208d26fdff659c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc410398f89b9fd7f5a21fbfb557d5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad53834b145315178fb158dec5cdfb34.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
名校
解题方法
【推荐1】设函数
对任意的
,都有
,其中
为常数,当
时,
.
(1)求函数
在
上的解析式;
(2)若
,求
在
时的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c372ff7931b02adc408037860e9466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c032f402a4673407ebb0ead150bfd8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb26ef447d3570cf33cb1a124f033c69.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27252fdb9a57af3037793281556b3328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d756190d5d392349ac5e960a0b089f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97148e04ca6a9f9dca0aba91ce4e1d84.png)
您最近一年使用:0次
解答题-问答题
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【推荐2】已知函数
.
(1)当
时,求函数
的单调区间;
(2)当
,函数
在
的最小值记为
,求
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952f4106ce716d3307dd14b1e09065d0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2584d4e78881413d8ddd1ec84011db2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99bebf8db0d314aacb2cb1f09bf48c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
您最近一年使用:0次