解题方法
1 . 已知函数
,若
、
、
互不相等,且
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353890a05495124c76d07ab6b7ca2adc.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc85d63a0747afc130dce2c8bd38344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
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解题方法
2 . 在
中,已知
,以A为中点作长为2a的线段PQ,当
的值最大时,
与
的夹角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc130e4f2499cc620a0df6542d8127b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1954674261703d6c846f956520e90b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bad299e2782c072d27e1c54422cc8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89265cbe3abc6b966ce8967fead448b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
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解题方法
3 . 直角坐标系中,曲线
围成的图形的面积是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b4be8be0a986e703df7b0dc3f3401c.png)
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解题方法
4 . 已知
,
,且存在实数
和
,使得
,
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9798750055cc3be811b36accdec975d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e135eb6709b5d964f89ce0e391062a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4749a22a7ae411cf646c64fdbf08e1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f4b8e9bf365f34a58866b4fdf2096e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654c8d7389fbd7fffd7e00071f814016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a17fbeeb7bc8ff39e2b0403042f026.png)
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5 . 已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f91e7fd3d358600eca9137fae54149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569087ece1739f75121b549c7de10058.png)
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6 .
中,若
,则
一定是___________ 三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebc08da43ed2c07e29fa7f1a4da9320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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7 . 设a,b为正整数,且
是函数
的一个零点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ac5e4a6ef4f217b2ffb08aea29489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579a761c1d6caec68e40f196a9ce633e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
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解题方法
8 . 设
,
为单位向量,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353357242adc33d3de01bb78d94e8072.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21d9d13cb522d78a808490503340afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353357242adc33d3de01bb78d94e8072.png)
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解题方法
9 .
中,边
为最大边,且
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229f03480ce6339b77cc71f830e81a10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa2712ff18c8752ac34e0e583c92620.png)
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解题方法
10 . 已知直线
与圆
交于
两点,则
平行于向量( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d1e97d1268ad01b4a91ff0e68c6a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277cf6fdff3911e963cd83cfbb4b8a76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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