解题方法
1 . 若关于x的不等式
恒成立,则实数a的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ccf65f37bd04e78b150a792aa0f6bd.png)
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解题方法
2 . 已知:
为虚数,且
为实数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e059bcd090a8778193d5d62ff2d8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
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解题方法
3 . 已知函数
.对任意
,且
,求证:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4201725a144562cc0f0da070603308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85db25f0623bb097e5a57117df267011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3ecbbaca8eeb1cfa8f4035f7d5726.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/400f3350d356149043b4590e2b4c8138.png)
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4 . 已知复数
满足
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70c2519610d6d1d6d0855b0f27dfc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a9137e444e84e73155155427abf664.png)
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名校
解题方法
5 . 函数
的定义域和值域为
,
的导函数为
,且满足
,则
的范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c94860b1019418b558dd6d5d50a617f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de1d559fa83928eb716d44037444b74.png)
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6 . 已知
,
是实系数一元二次方程
的两个虚根,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bf0eb06e1a10c3d5356a271a465dd3.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fa32c1e926f40a0722d106563777ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f37ac203c33219bffeb33f1aeace42c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bf0eb06e1a10c3d5356a271a465dd3.png)
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2014·江苏淮安·一模
7 . 已知实数
,函数
.
(1)当
时,讨论函数
的单调性;
(2)若
在区间
上是增函数,求实数
的取值范围;
(3)若当
时,函数
图象上的点均在不等式
,所表示的平面区域内,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de648cd39338d48f2d22eb82a77b4839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bc816d914817ea253f1188201df867c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadc68ed399afd6db385dae5e963c97a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d4751724d10905823144b10c2050fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32064f8f26cafabdaf0123d0af94536b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-03更新
|
951次组卷
|
3卷引用:2014届江苏省淮安市淮海中学高三Ⅲ级部决战四统测三数学试卷
解题方法
8 . 设
,
是实数,若
(
是虚数单位),则
的值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e537791aeb352e0fd4cbc2803a511f6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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2014高三·江苏·竞赛
解题方法
9 . 已知
为正整数,
.证明:
,并讨论何时等号成立?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749433f8edcb4fafe0cbbf1ae6edeeca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00d97a1b303a6f71f13685266b7f23c.png)
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解题方法
10 . 设
,
是实数,若
(
是虚数单位),则
的值是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e537791aeb352e0fd4cbc2803a511f6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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