解题方法
1 . 记数列
的前
项之积为
,已知
,且
.
(1)求
;
(2)求
;
(3)证明:
.
![](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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa01f03fb074bff35b35e07047d11b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7f5807255c951ce17b3f0fdd50006b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58ed86115082ef4eca8105a42c5a331.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6660efe5a98bf6dc6c8097922c8e556b.png)
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2 . 已知双曲线
的右焦点为
,点
,且直线
与
仅有一个交点,写出一个满足条件的
方程:______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d99166a773cb74bcae124da80cac2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8691c30082c521e2d492e6df7e78f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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3 . 圆
与圆
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5ed41cb6656857482d6c47cb338353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e30daccfa5e5fee71273ae2499bfa8.png)
A.相切 | B.相交 | C.外离 | D.内含 |
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解题方法
4 . 已知直线
的方向向量为
,且
经过点
,则
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836c29e3fef74d91566e9b9d8e7bbcb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0481d24e2af1e0cd348732b9444d1dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 已知空间向量
,
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6a5f0977ad2ef44c3234bd03e57d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95813fcf9541ce2255365b21b351b76b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9979c9be755ac4fe5ba3a72850df7f9c.png)
A.1 | B.3 | C.-1 | D.-3 |
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解题方法
6 . 下列各式恒等于
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a282d19bf2c827a98d4443330f7ca1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
7 . 已知
是定义域为
的奇函数,满足
,若对任意的
且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a9b23587bc1d3b4e5327168386c2d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b91d000d57ab7da3f2e32ded677b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0064cd87cfe6e376f1314b737c10353c.png)
A.![]() |
B.![]() ![]() |
C.![]() |
D.不等式![]() ![]() |
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解题方法
8 . 已知函数
是偶函数.
(1)求
的值;
(2)设函数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f61ba4ec9dd4f22660b13348bc643f2e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597954ad3520b7987639801bb7f80f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5207aa3a627a574a1e12ae87dd609fdb.png)
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9 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若函数
的最大值为0,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/710cd6d8028f5a7866314785fc190b31.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4833f7f6dd7d54fcfa6c1e3696e93bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
10 . 已知
,求下列各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb90f0294dfff41f05b0fc64d7a06e4f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a0d23ef2743660e90a21158a22e696.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0838630401903751e0c790a32d875451.png)
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