11-12高三上·黑龙江牡丹江·期末
1 . 若
, 则
与
的大小关系是____________ .(填“
”或“
”或“
”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6aa52639b5338dc5289834daaa8113c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ba9b97db6d7a5d5255c635f98da2a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
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2011·浙江宁波·一模
2 . 已知
,其导函数为
,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acca5aa6b2285d897a65c289c1b54ba.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d401dc7c52682b98d2cf94301c2d6df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a7abe16e1f5daaadfa47f461f2bb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acca5aa6b2285d897a65c289c1b54ba.png)
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11-12高三上·河北·阶段练习
解题方法
3 . 已知二次函数
的导数为
,对于任意实数
,都有
,则
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f814c0fde664c1a808c2bf0656b075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121c7e11c9b2fcb89daf1083546d72a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34bdf025f6472f99b0aa8849bbdcafa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21a486929ddeaa2c71fb84127580c40.png)
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11-12高三上·山东淄博·期末
4 . 曲线
在点
处的切线与坐标轴围成的三角形面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3921593e8f3ee457fb313a926adaf940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f731c6c5c90fedd81c10219e7748ef26.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
11-12高三上·浙江杭州·阶段练习
5 . 已知
,
,则
最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c319bbd823bfde4698136851756386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
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2010·黑龙江哈尔滨·一模
6 . 已知函数
(
)的导函数
的图象如图所示,则![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601108992/STEM/88ff1a39e88e4473aa488203b38bbc9c.png)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601108992/STEM/33b3814d2ea240e58f58b717f56603b5.png)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601108992/STEM/984f6d75e47a40b7b0ec4ebe10e5c57f.png)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601108992/STEM/ebf2c9b299f5437bb6584254454ac83d.png)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601108992/STEM/32719c2fb97e45e6bca7d83b9faf1f30.png)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601108992/STEM/88ff1a39e88e4473aa488203b38bbc9c.png)
![](https://img.xkw.com/dksih/QBM/2010/4/7/1576715455873024/1576715601108992/STEM/33b3814d2ea240e58f58b717f56603b5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9-10高二下·江苏盐城·期末
7 . 曲线C:
在
处的切线方程为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517bc66d138833ba065f0ee0b353fa34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
您最近一年使用:0次
8 . 已知
,数列
满足
,
,数列
满足,
,
.
(1)求证:数列
为等比数列.
(2)令
,求证
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe2062ce86753fa398da06929f49502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385275d29d8c8a7841eaeaa3dfab2cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab6e8ba32d5a5fbc63bea8076f7654d.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d483eb4433fee05a5810a276433b1742.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05509ae1c517f82f945392c01bea83df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd245ade547500a43e2cc9191b96e6f9.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe38c3564fa406f450d0a437bb6b0cf.png)
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9-10高三·北京·阶段练习
解题方法
9 . 有下列命题:
①若
存在导函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa81fad0b7e5e7f90ea864562ecc971.png)
②若函数
,则
;
③若函数
,则
.
④若三次函数
则
是“
有极值点”的充要条件.
其中真命题的序号是___________ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa81fad0b7e5e7f90ea864562ecc971.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c4bd5a43872c9d55e1516ed8097695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c9f1be26375277f904d7e7787ab858.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032cdf7ec0d45851c5c4078f09a9c4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32be5bb2684c0f16aea909a4a276eb9d.png)
④若三次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19951f3364fb04433feed743bc37975d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5677d408e10dd47640d383fc28eefd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
其中真命题的序号是
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