1 . 函数
的驻点为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe899d189f2345cbbd57d1cb3f8e1bbe.png)
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2 . 求曲线
在点
处的切线方程_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda7615074731b75e79fd588e581e73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34a5c26d34e76e4e349ef038e2893b0.png)
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3 . 已知等差数列
的通项公式为
,则公差![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a4658ab94306d39aedda17deed7216.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c0e966db2d11c9dba1454ac6fcb8e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a4658ab94306d39aedda17deed7216.png)
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解题方法
4 . 已知等差数列
,
,
,…, 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ce3ebd1112220c639562739f1f9d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730da95cbce9628ab85d9bc270f4f033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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5 . 已知函数
,
定义的导函数为
,
的导函数为
……以此类推,若
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb394474a87b8b16b1e3508425898ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8704db42f4fdbe030262aaf8ccb4f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8704db42f4fdbe030262aaf8ccb4f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6e4bb1ee08279e99e8b7c172132287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4a7d4ccdeec9d226209e3a0acd2e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 函数
的导函数
的图象如图所示,以下命题正确的是__________ .
是函数
的极值点; ②
是函数
的最小值点;
③
是函数
的极小值点; ④
在区间
上单调递增
⑤
在
处切线的斜率大于零; ⑥
是函数
的驻点也是极值点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851c68ef2e0703706f3b528daa902eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddd46c180401ad4e86b9ef4d5883721.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
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7 . 设函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e8f84dbff14410f60ee3ac26089de1.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e8f84dbff14410f60ee3ac26089de1.png)
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8 . 设等差数列
的前
项和为
,若
,
是方程
的两根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554e6c461ccc5aa3093c524aa528a4e2.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da4cd81500bdb43118150dbdb1541e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69b45eb7ec8f4496b99be1097163c222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554e6c461ccc5aa3093c524aa528a4e2.png)
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9 . 已知空间中有2个相异的点,现每增加一个点使得其与原有的点连接成尽可能多的等边三角形.例如,空间中3个点最多可连接成1个等边三角形,空间中4个点最多可连接成4个等边三角形.当增加到8个点时,空间中这8个点最多可连接成________ 个等边三角形.
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10 . 对于任意的
,且
,不等式
恒成立,则实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896e545e7455ca89d7cb92dffd9f9a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fe3251e054fe97089806ba7033f802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ebc4f1f496489ea6db4a191c4442b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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