解题方法
1 . 已知
,
为圆
上的两个动点,
,若点
为直线
上一动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1ef69432777e05e7c423ce9ffca7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c12b6925aa6e4e44d1514b2fd5030e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b399fa8b6ca53f3226c3d487c008832f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cef568cfe2fc12a4dec11533ada274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34fecdba74b21123e896995a5d1fc68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7cf2991482ba0aba8a81b8680e5968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
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2 . 若长方体
的底面是边长为2的正方形,高为4,E是
的中点,现给出以下四个命题:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b206efdf8aaef5759c5948de711529.png)
②平面
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
③三棱锥
的体积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
④三棱锥
的外接球的表面积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5f9251b20115e4f9bfc2005ef26f86.png)
则正确命题的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b206efdf8aaef5759c5948de711529.png)
②平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af2cbd18021f373cf7c95a4636c9347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
③三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d9afa28d00f88cfa342fb72ee85c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
④三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d236e214b4cb2ed4a914166280c6841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5f9251b20115e4f9bfc2005ef26f86.png)
则正确命题的序号是
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2024-06-12更新
|
157次组卷
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2卷引用:四川省遂宁市射洪中学校2024届高三下学期三模理科数学试题
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3 .
的展开式中,含
的项的系数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debfb31101c03893acbaa9682da0ed91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
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2024-06-08更新
|
734次组卷
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2卷引用:四川省遂宁市射洪中学校2024届高三下学期三模理科数学试题
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4 . 设函数
,若存在
,使得
在
上的值域为
,则实数
的取值范围为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f294ad62dee2261f1a181b31e0475c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1254f5158d2e5f425b3c9eeceacabe9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6e2109531e560c68f646bb77bd4ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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5 . 动直线l:
被圆C:
截得弦长的最小值为______________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de24e3d618264806ab785a935f644900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5058b31a3cd6b32597be35a64950b9b7.png)
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2024-04-22更新
|
653次组卷
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2卷引用:四川省遂宁市射洪中学校2024届高三下学期二模考试数学(理)试卷
解题方法
6 . 一个圆锥的顶点和底面圆都在半径为2的球体表面上,当圆锥的体积最大时,其侧面积为______ .
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2024-04-17更新
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4卷引用:四川省遂宁市2024届高三第二次诊断性考试数学(理)试题
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7 . 设双曲线C:
的左右焦点分别为
,它的实轴长为4,P是C上的一点且满足
,
的面积是4,则C的方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e72d4676abd9fdf6a8a896ec1a2f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
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8 . 函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87c8f7fc352373f6d2f8857652c2357.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facd59fed0f819c8fe3e993a4d669b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87c8f7fc352373f6d2f8857652c2357.png)
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9 . 已知数列
的前
项和为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c246b7a56a20c7a06fd1da44019f1621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
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|
982次组卷
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4卷引用:2024届四川省遂宁市等3地高三二模文科数学试题
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解题方法
10 . 已知抛物线
的焦点为F,
是抛物线上的两点,若
,则
的中点到
轴距离的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4daf40bad1cc89311930cce356672354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ed9d97b8745ed1c15349ea3fffc299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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