解题方法
1 . 已知函数
.
①当
时,
,记
前
项积为
,若
恒成立,整数
的最小值是______________ ;
②对所有n都有
成立,则
的最小值是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227c3613c9bdafd6f258c53dbf49776b.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef2639f7d9950f9481a5ddd92334be7.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c16b5df55ae677b721c5401ca1a8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②对所有n都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f791e32e2606e39c024f26c7a02feb08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . 在
中,
,
,点
是边
的中点,点
为线段
的中点,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c974c20de0e31685d64e26522969e2f.png)
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3 . 方程
的正实数解为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ef7f34ffc1ef24b420f80beee9df2.png)
您最近一年使用:0次
2024-06-11更新
|
878次组卷
|
2卷引用:江苏省苏州外国语学校2023-2024学年高二下学期5月月考数学试题
解题方法
4 . 已知
,若存在
,使得
成立,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c5d6739f33edf7a49d3d005780cde9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e79776f23de6b6e586c4986d5c10418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7714b6ed985c8b3d20517b5181fc0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e441a3e467f4864e9d44652154dd7a.png)
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名校
5 . “弦图”是我国古代三国时期的数学家赵爽为《周髀算经》作注时为证明勾股定理所绘制,此图曾作为2002年在北京召开的第24届国际数学家大会的会标如图,在正方形
中,有4个全等的直角三角形,若图中
的两锐角分别为
,且小正方形与大正方形的面积之比为
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20594870f716ac46c23b8bc7df61a053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955bed8cd82419dbb2c62550ee494677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d521f8d021b20757d7a68107fcef1d.png)
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6 . 已知定义在
上的偶函数
,其导函数为
,若
,
,则不等式
的解集是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd0c5c69c229bd51edafd05a0eac8d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf72bb8497a21b03e0ebfc1faec3079d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52915565b4a9f69501e5e9c9e837a12a.png)
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2024-03-31更新
|
1190次组卷
|
3卷引用:江苏省南京航空航天大学苏州附属中学2023-2024学年高三下学期二模阳光测试数学试题
名校
7 . 已知函数
有两个极值点
,则
的取值范围为________ ;若函数
有两个极值点
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598b0aa4c26c55d72bd854fce89ac1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae869654e1480c01214922f07644380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00871ac2e64006d5f7d0950dc6b25a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30abc4ebbc94f3cd022c06bf432bdfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46ba782625c277edcf835446700c4aa.png)
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2024-03-28更新
|
396次组卷
|
3卷引用:江苏省苏州园三2023-2024学年高二下学期3月月考数学试题
8 . 过抛物线
的焦点
的直线交抛物线于
两点,
在抛物线的准线上,则
的最大值为______ ;若
为等边三角形,则其边长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0261104a7c308433a0c0508ff20ea29a.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b40c2b0ab8e1cfe5112d428b4b829f.png)
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9 . 过直线
上一动点P 作抛物线
的两条切线,切点分别为M,N,则直线 MN被圆
截得的最短弦长是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c6d3c99b7004603ba9ea9c341b8b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f4123c19136d3a4dc040dce8e34e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d2b6ceed792969a7ee1fae242baa8c.png)
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解题方法
10 . 若直线
为曲线
的一条切线,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f012d5aaea19b88de11548c11a8c0e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
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2024-02-24更新
|
1882次组卷
|
6卷引用:江苏省苏州市张家港市沙洲中学2023-2024学年高二下学期3月阶段性测试数学试题