1 . 已知
满足约束条件
,若
的最大值是
,则二项式
的展开式中的常数项为__________ .(数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9781265c617fa1a1d1d4a2fd4dd7309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3677f2a2a1b4aef3a370a03db832366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74466525d5af7b7b9332ef66f649dc92.png)
您最近一年使用:0次
2017-06-15更新
|
319次组卷
|
2卷引用:河南省洛阳市2016-2017学年高二下学期期末考试数学(理)试题
2 . 考虑函数
与函数
的图像关系,计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9502c2905b8b07cda4d8e95836513e59.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2eff609c6043c2a89a6dd163fe2244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9502c2905b8b07cda4d8e95836513e59.png)
您最近一年使用:0次
2017-06-04更新
|
256次组卷
|
2卷引用:河南省南阳市六校2016-2017学年高二下学期第二次联考数学(理)试题
3 . 已知实数
,
满足
若
的最大值为
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4b31127025652e8cfc75616edea778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75407f5349719aba26f58213459793eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2017-02-23更新
|
568次组卷
|
3卷引用:2016-2017学年河南省信阳市高二上学期期末教学质量监测数学(文)试卷
4 . 已知数列
满足
,
,则数列
的通项公式为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4bc4cc3bc6bbc5302e44c81c9d00fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
您最近一年使用:0次
名校
5 . 若对于任意一组实数
都有唯一一个实数
与之对应,我们把
称为变量
的函数,即
,其中
均为自变量,为了与所学过的函数加以区别,称该类函数为二元函数,现给出二元函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aded986b3674593739b22d4843c40af.png)
,则此函数的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9c5c7cffee04e1a5545ea43e6f0f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1326a39cbb9a2cbb148ea33e5aa66462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aded986b3674593739b22d4843c40af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634bc4f898896f2adff0a53dddc1cd1e.png)
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解题方法
6 . 如图,四边形
为直角梯形,
,若
边上有一点
,使
最大,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524f25e1eedbfe399f7f42db890ab89a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f43b050330cc7661d3d3c819ea5a8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd601617f0ab200d5c80c37ab41d7323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524f25e1eedbfe399f7f42db890ab89a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/2c875c1c-2b33-4d4b-99ca-aabcd593a845.png?resizew=240)
您最近一年使用:0次
解题方法
7 . 若
时,关于
的不等式
恒成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2f02b509c7935e2c7431c40b6b23bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解题方法
8 . 已知关于
的方程
在
上有两个不相符的实数根,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059df2008a8e3ae200b377b4bbab269b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91a605ec382a8e3a65262ede9ea5093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
9 . 在△ABC中,
,O为平面内一点.且
,M为劣弧
上一动点,且
.则p+q的取值范围为 _______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3a059203f65774fd8f321faa9e8041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3835815e5864e471e6f2bf19790a1899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645c5e6bcb7d025989da646ac461e7f3.png)
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2017-05-07更新
|
1331次组卷
|
5卷引用:河南省郑州市2017届高三毕业年级第三次质量预测数学(文)试题
名校
10 . 点
是正方体
的体对角线
上靠近点
的四等分点,在正方体随机取一点
,则点
满足
的概率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbea970ac986a93a6c875f290a2ec20.png)
您最近一年使用:0次
2017-05-03更新
|
1049次组卷
|
4卷引用:河南省郑州市第一中学2017届高三4月模拟调研数学(理)试题