名校
1 . 已知实数
满足
,设
,则
的最大为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa845bf3a1b8e0b5697889b8560bffaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0986bc3ccec5c0da395bc78f962eed30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0d6f6a62b180f22f0a7963274acdc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
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20-21高一上·全国·课后作业
解题方法
2 . 已知直角三角形两条直角边的和等于10 cm,求面积最大时斜边的长.
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2012高二·山东聊城·学业考试
3 . 已知数列
满足
.若
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e7dd0c91e8f471ff078569a7553040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fd7e75832ae791087e27dee9f4405b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a9219209bd4544432b4ecbc97741af.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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