名校
1 . 在
的展开式中,
项的系数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9e4aaad2115f07ae93e2efce02df15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
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解题方法
2 . 若
,
,则满足
的m的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc61978d8d38ad08782a06acd581dcb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8df397df7f22e669671149ee1ffad7.png)
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解题方法
3 . 在梯形
中,
,设
,若用
的线性组合表示
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6eab0544c9fad5acde25bec349fb02.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42468c4d607dee3106b0d2ea9f1edc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a6dd07e480128b95f265fae112f4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6eab0544c9fad5acde25bec349fb02.png)
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4 . 已知函数
,将
图像上所有点的横坐标伸长到原来的2倍,而纵坐标保持不变,得到函数
的部分图像如图所示,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b2e285758984e8613fa1b52d674c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6460400186f2b74ece79c861ceb063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
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解题方法
5 . 已知以
为左、右焦点的双曲线
的一条渐近线为
.点
是双曲线
上异于顶点的动点,若
是
的平分线上的一点,且
,则
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0b0da26aac472886b8345cfb9bf8ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8398a001fcf2bc80b13cce4ca1caa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4586226c7e189c5f55f6e9f61c474efb.png)
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6 . 已知函数
在
时取得最大值,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f6d4796986a8943ced3b085f8b9394.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fae022680cd3df914cec0d2fb7a12af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f6d4796986a8943ced3b085f8b9394.png)
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7 . 为了研究问题方便,有时候余弦公式会写成:
,利用这个结构解决如下问题:如果三个正实数
满足:
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ba07a669b1f519431dd0a73709f990.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df9c969e4a64a7449d7cbc088d39aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe8faae6f6dc2fffadb444938f07501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60783331e0edf54727c2eebd493079d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfcc985662f674639c539dc7696c6c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0ba07a669b1f519431dd0a73709f990.png)
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8 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49cbdf82cbf7e564a73b26ecfc46403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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解题方法
9 . 设
为锐角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10ac0e2a8707c0d8914949912c87369.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b22d6e7e4223111b9974e825ddf6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10ac0e2a8707c0d8914949912c87369.png)
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名校
10 . 数列
是等比数列,
和
是方程
的两根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89178b8e8e45658d3bcb9ee6ab7c6828.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c28a854eda450ce5a2b68879b11992d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c346ef9edb3b0e6a36f4e621989a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89178b8e8e45658d3bcb9ee6ab7c6828.png)
您最近一年使用:0次