解题方法
1 . 已知抛物线
,焦点为
,不过点
的直线
交抛物线
于
两点,
为
的中点,
到抛物线
的准线的距离为
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466c56ced1ca1e572e98bc36a1db8d27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ba604a78ad17e36f284112cdcf1bf7.png)
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解题方法
2 . 正四棱锥的顶点都在同一球面上,若该棱锥的高为2,底面边长为1,则该球的表面积为______ .
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3 . 若函数
为偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b152d24340111b2c668c6e32c9507a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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4 . 下图数阵的每一行最右边数据从上到下形成以1为首项,以2为公比的等比数列,每行的第
个数从上到下形成以
为首项,以3为公比的等比数列,则该数阵第
行
所有数据的和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f1ad18371ec533aeac27cf1fad95c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ba85f74cda4ddd621278e558bc036f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
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5 . 已知
的展开式中各项系数和为8,则展开式中常数项为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a63c7ac5f14dfdb741d32830292742.png)
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6 . 抛物线
上的动点
到直线
的距离最短时,
到
的焦点距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c608def11fa0e2b34f05592ef1d11fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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真题
7 . 已知虚数
,其实部为1,且
,则实数
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a2f912dba0e17b3b87244e131e4b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 已知函数
在区间
上不单调,则m的取值范围是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b5c3a56a87a3d1a3614f2603357106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe06f5cb6f3297ea0b29012a90a72a33.png)
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9 . 若“
,
”为真命题,则实数a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c501353a892ca1eec0594c53e6b743ed.png)
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10 . 已知随机变量
服从正态分布
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c80d5867733b7195332bf418af149f.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778dfb406e5ca6131f7e39a1cdf145c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240cd0bff92f90feb47184e0b5ed7df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c80d5867733b7195332bf418af149f.png)
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2卷引用:上海市位育中学2023-2024学年高二下学期期末考试数学试卷