名校
解题方法
1 . 关于
的不等式
有解,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b021b127a6d00ae353a46bf995427923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
2 . 已知函数
有三个不同的零点
,
,
,且
,则实数a的取值范围是______ ;
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ffbfce99b6152ce76eac188afeb2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded52999771182240a44aaa48cf8fc7a.png)
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3 . 已知
且
,
,
,则
的大小关系为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170829bcc0d2df7abf4043cf2f553963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75427eed2236464950247d0aee8f8c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3359babceedece9218c216e3324523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba0f50c94fbd7f5b2a5388b34161c0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
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解题方法
4 . 已知向量
满足
,
,
,
,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787379f7ff8d24be7eebfea1cfe956d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c57b0b8dd10a591301fa8308e39f4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8804854a67b627a139a507ff8294427f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb21d6e45fbbdc060a4276fe31ac3e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26abac73b9cb1af5c5d8e8c2dd136bbb.png)
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5 . 已知不等式
,对
恒成立,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2dc8dfccd4b2bd01b79c312f0582a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d794c3af7140c07ef04547cdd0be19.png)
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解题方法
6 .
中,
为线段
上一点,
,且
,则
面积的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fe8589d23283f0410b251f33f2a56c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f2c712772341425431110ae3597221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-05-30更新
|
620次组卷
|
2卷引用:四川省成都市第七中学2023-2024学年高一下学期4月期中考试数学试题
名校
7 . 已知函数
,若对任意x∈R,都有
,且
,则当
时,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec975b3bf0cce58d6a2a3a8dd6be5348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c879f7098e2fdfeb2b22976bf2cad89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66dd6deb4e6a040160c69b58e09af67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6283166f874ed2823ac7b8be04507870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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8 . 牛顿数列是牛顿利用曲线的切线和数列的极限探求函数
的零点时提出的,在航空航天领域中应用广泛.已知牛顿数列
的递推关系为:
是曲线
在点
处的切线在
轴上的截距,其中
.
(1)若
,并取
,则
的通项公式为__________ ;
(2)若取
,且
为单调递减的等比数列,则
可能为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641fec779880f75fa8ee6782f3350402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a582927de6e549053dfec41d5f9008a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(2)若取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6073fc52cd10164c1313dd96069b8d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0816dbd5a00f2a404b272c1521d3c2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
解题方法
9 . 若
是双曲线
的右焦点,过
作该双曲线的一条渐近线的垂线与两条渐近线交于
两点,
为坐标原点,
的面积为
,则该双曲线的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24550b13dbecf7d86c7054250e987274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84dad66aee53310a7c7b04edd2ea4af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2271d88884b1299967f1db88bc8b0f.png)
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解题方法
10 . 已知双曲线
的右焦点为 F,过 F 作直线分别与双曲线的两渐近线相交于A,B 两点,且
,
,则该双曲线的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c29bab2a74ca02d30e0deed068b042f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f666d9dc6c41306cfdcac4ba868ce36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cccf1ca67f6686a87d1cac5465184148.png)
您最近一年使用:0次
2024-05-04更新
|
566次组卷
|
3卷引用:四川省南充市嘉陵第一中学2023-2024学年高二下学期4月期中考试数学试题
四川省南充市嘉陵第一中学2023-2024学年高二下学期4月期中考试数学试题河南省名校联盟2023-2024学年高三下学期教学质量检测(3月)数学试卷(已下线)第1题 双曲线的离心率问题(5月)(压轴小题)