解题方法
1 . 已知函数
只有两个零点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1361089635c117a2c97ab063bd4313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-16更新
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3卷引用:甘肃省陇南市2023-2024学年高一上学期期末检测数学试题
名校
解题方法
2 . 已知函数
.
(1)若a=0,求函数
的值域;
(2)求函数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996d2536acc9db1be4aec8a26c7d35c9.png)
(1)若a=0,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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4卷引用:甘肃省陇南市第一中学2023-2024学年高一上学期期末考试数学试题
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3 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若曲线
始终不在直线
的下方,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0107fb8d4cb3a9b6311fa639ca514b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3063030edfeeaef8d6a1d9cd566fdede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3804d32cb58da2778c498b9f714e350e.png)
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2023-09-12更新
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2卷引用:甘肃省陇南市2023届高三一模文科数学试题
4 . 已知在平面直角坐标系
中的一个椭圆,它的中心在原点,左焦点为
,上顶点为
,设点
.
(1)若
是椭圆上的动点,求线段
中点
的轨迹方程;
(2)过原点
的直线交椭圆于点
、
,若
的面积为
,求直线
的斜率
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46542271c7fa06f33b222424838c9684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdfbae913ff7ff8caaefcaacf8c20ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3121286332a886070029e070fea0e4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
解题方法
5 . 已知函数
的图象经过坐标原点,且
,数列
的前
项和
(
).
(1)求数列
的通项公式;
(2)若数列
满足
,求数列
的前
项和
;
(3)令
,若
(
为非零整数,
),试确定
的值,使得对任意
,都有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99ba7a7dbfbd0578fb7a45fcd5c594d.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/715b1b3f29259c51c89e42c08b65d1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c26ed1535e24687118558e9613208a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf71ee1e73dfab966e89cc570bedd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76ec1b4c2e55ca4a531555d0dc93638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c74164bcbb550600a8fe2946e5d9844.png)
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2023-12-13更新
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3卷引用:甘肃省徽县第一中学2021-2022学年高二上学期期末数学(理)试题
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6 . 设函数
,其中
.
,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50173932116b981a4d1cdc94935a0d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b813302070d579f739dbc9bf8f9d5a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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4卷引用:甘肃省陇南市第一中学2023-2024学年高一上学期期末考试数学试题
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7 . 已知数列
满足
,若
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7935dff3560aef26cd7118e394a070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321c9ceae973e47be557df31b48a1671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-07-24更新
|
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5卷引用:甘肃省陇南、临夏、甘南三地2023届高三上学期期中联考文科数学试题
甘肃省陇南、临夏、甘南三地2023届高三上学期期中联考文科数学试题浙江省温州市十五校联合体2019-2020学年高一下学期期末数学试题(已下线)第02章章末复习课-2020-2021学年高二数学课时同步练(人教A版必修5)(已下线)第04章 章末复习课-2020-2021学年高二数学课时同步练(人教A版选择性必修第二册)甘肃省酒泉市敦煌中学2022-2023学年高二上学期期中考试数学试题