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 . 在前
项和为
的正项等比数列
中,设公比为
满足
,
,则( )
![](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/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34e44f448cf8c8ad28fd02a04581ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d38db3295e38e6920f309bb7a3c1cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a7307fe643ac2bbef8bdab15ce4187.png)
A.![]() | B.![]() |
C.![]() | D.数列![]() ![]() |
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3 . 设函数
的最小正周期为
,且过点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045d7ecd888c162ac03cbb2c6f759401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe12fb284fc8e2502c9043be594c852.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.把函数![]() ![]() ![]() ![]() |
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4 . 过圆锥
高的中点
作平行于底面的截面,则截面分圆锥
上部分圆锥与下部分圆台体积比为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fe32dfbd66709875c5b9f79c9496da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知首项为2的数列
满足
,当
的前
项和
时,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76223d8517acce44d34810416c8b524c.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/14f5a43a5d9a710dd152cc4b19cc0f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.40 | B.41 | C.42 | D.43 |
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名校
6 . 点
为等轴双曲线
的焦点,过
作
轴的垂线与
的两渐近线分别交于
两点,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f2e83c2e45e771c25adcb58d8475559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
A.![]() | B.4 | C.![]() | D.8 |
您最近一年使用:0次
名校
7 . 若复数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8884cdeccf84818a97a0612f924e3410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0ae55dbe1aabf3016643586be0a7f0.png)
A.![]() | B.5 | C.![]() | D.![]() |
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解题方法
8 . 已知等差数列
的前
项和为
.
(1)求
的通项公式;
(2)若
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156ff12ebc86677c4215a8f0563ef4ed.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216876de04325fd250c38c485cbc34b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
今日更新
|
816次组卷
|
4卷引用:河北省深州中学2023-2024学年高二上学期期末考试数学试题
9 . 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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解题方法
10 . 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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