若函数
在点
处的切线方程为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a598a195ce3cf3140c82722c3f83682.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6a4781b020b879519321e05c299f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a598a195ce3cf3140c82722c3f83682.png)
2018高二·全国·专题练习 查看更多[1]
(已下线)单元测试君2017-2018学年高二文科数学人教版选修1-1(第03章 导数及其应用)
更新时间:2018-02-24 10:34:43
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【推荐1】我们把分子、分母同时趋近于0的分式结构称为
型,比如:当
时,
的极限即为
型.两个无穷小之比的极限可能存在,也可能不存在,为此,洛必达在1696年提出洛必达法则:在一定条件下通过对分子、分母分别求导再求极限来确定未定式值的方法.如:
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13a80dccf79dfb1e5d9a30b1e590cc3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955689923ebe1be46168295644f4a178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b690b7833c846bbe1980342a696441b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668042d2c0dd7b480cf8716169abfeaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955689923ebe1be46168295644f4a178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8472cc3cdc75d4ee8cd14f6437027640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13a80dccf79dfb1e5d9a30b1e590cc3.png)
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【推荐1】已知抛物线
的焦点为
,准线为
,直线
与抛物线
相切于点
,记点
到直线
的距离为
,点
到直线
的距离为
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ac6188f40414f76bc754dee4a75809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
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【推荐2】若
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf67f369b9632755942137378f931c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7c99486743e17633d086d868f0680c.png)
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