1 . 记
.
(1)求
的值;
(2)当
时,试猜想所有
的最大公约数,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bafa5f0fe61c3b1c190d0f295f813c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e565b629c1cde32e9b627ef6b954d4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560f995e1a70c039c370ff9b60b076e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4fc8faefb26b233d4aa9dbef043aae.png)
您最近一年使用:0次
2 . 已知函数
.
(1)若函数
的最小值为
,求
的值;
(2)设函数
,试求
的单调区间;
(3)试给出一个实数
的值,使得函数
与
的图象有且只有一条公切线,并说明此时两函数图象有且只有一条公切线的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc077a03fccc7a31ceba186b477a014.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4acc891e024b77f174039085580e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a5e2d96cfd76c4a5281e9e05cf4c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)试给出一个实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dad8d79b18e8471a10b8a4028e841b4.png)
您最近一年使用:0次
3 . 若函数
的图象上有且只有两点
,使得函数
的图象上存在两点
,且
与
、
与
分别关于坐标原点对称,则实数
的取值集合是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e385b1c90b4f16f95204286b859994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5425108c557f0f21474c045334f97d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3a11ce19f4a8c464997d80011ca7ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357e0872d9e98d662a780e7686de86ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 已知两曲线
相交于点
.若两曲线在点
处的切线与
轴分别相交于
两点,则线段
的长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8221f8a1334d5b4c34ea2730e2357961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
名校
5 . 某宾馆在装修时,为了美观,欲将客房的窗户设计成半径为
的圆形,并用四根木条将圆分成如图所示的9个区域,其中四边形
为中心在圆心的矩形,现计划将矩形
区域设计为可推拉的窗口.
![](https://img.xkw.com/dksih/QBM/2016/5/18/1572636717309952/1572636723544064/STEM/1f0c30169d9c48d485d50a256792ce51.png)
(1)若窗口
为正方形,且面积大于
(木条宽度忽略不计),求四根木条总长的取值范围;
(2)若四根木条总长为
,求窗口
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef959a420dc4a40d40e1960a68d1acce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2016/5/18/1572636717309952/1572636723544064/STEM/1f0c30169d9c48d485d50a256792ce51.png)
(1)若窗口
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df7cc74308321f8b7e0016c1564fff6.png)
(2)若四根木条总长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ed4c5f9468096d1c856f187ce75402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2016-12-04更新
|
549次组卷
|
2卷引用:2016届江苏南通市高三下学期第三次调研考试数学试卷
6 . 已知函数
(
为
的导函数).若方程
有四个不等的实根,则
的取值范围是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e454056b4dd39cbf0944041348a23a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22522a1c6e6f27d86c2a2cca9788917e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70fba21fb30da4220fa202e3c21dbca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
7 . 已知复数
(
为虚数单位),则
的共轭复数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b84daae5c570fe5471b739029b00e455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
8 . 已知函数
,
(
为自然对数的底数).
(1)求
的极值;
(2)对于任意的
,总存在两个不同的
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac709053b60842b3f0b5bdca8a04a45b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ad3027913f47eed0cc0b6160960a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0900642509853376f5100dfe6baff871.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b007f9b088a4eeb5e9a226fb823f849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85823ff0e8fa9ef0abf82c4e90004ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a813b77120fbf4dd6a87e393068040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
767次组卷
|
2卷引用:2016届江苏省苏北三市高三最后一次模拟考试数学试卷
9 . 若点
分别是曲线
与直线
上的动点,则线段
长的最小值________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ea8609f4c7231c21fdd0a8f9998d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd5ea1f8237eef3c85effc5384d58d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数f(x)=x3+2x,若f(1)+f
>0(a>0且a≠1),则实数a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466cb28f05606da58dd7d30d90c06aed.png)
您最近一年使用:0次
2016-12-04更新
|
466次组卷
|
4卷引用:2016届江苏省苏锡常镇四市高三教学情况调研二数学试卷
2016届江苏省苏锡常镇四市高三教学情况调研二数学试卷(已下线)学科网2019年高考数学一轮复习讲练测 2.3函数奇偶性与周期 【江苏版】测江苏省南京市第二十九中学2018-2019学年高三下学期4月月考数学试题(已下线)专题03 函数的性质及其应用-2021年高考数学二轮优化提升专题训练(新高考地区专用)【学科网名师堂】