21-22高三上·江苏南通·阶段练习
名校
解题方法
1 . 已知
,
是双曲线
的左、右焦点,过
作直线
的垂线交双曲线
的右支于点
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337ec4eb8e7e4e0f4ce8d759bcfa2ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ffc09a6f8e52f8e902ee949f73f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b490e09248ea3242ec67afae8d00c18.png)
A.原点![]() ![]() ![]() |
B.双曲线的离心率为![]() |
C.![]() |
D.双曲线![]() ![]() |
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名校
解题方法
2 .
的内角
、
,
的对边分别为
、
、
,
,已知向量
,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0bfc651177a2f1f3b74e1cc9b33430.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/e4d69fc5fc97e7d305d9759276ee0993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8d52708eaaa07d2b9ee55ed151c7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c68977c0c1e703fc0f25f060167375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e32b6dc307d12bbd6b850a67b0599620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed0bfc651177a2f1f3b74e1cc9b33430.png)
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2021-09-03更新
|
173次组卷
|
2卷引用:江苏省无锡市江阴市2021-2022学年高二上学期期初摸底检测数学试题
20-21高三下·四川成都·阶段练习
名校
3 . 已知
,且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21cf8d8fd89b95bbb793f0ab757b4f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c276c935793ab0b368ddb311a3aa3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1b02c94bf1c8407ff81a6598e02d5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-02-26更新
|
1350次组卷
|
12卷引用:江苏省苏州市高新区第一中学2021-2022学年高二上学期期初考试数学试题
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名校
解题方法
4 . 已知等差数列
中,
,
,又
,
,其中
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36c991ead895bd324c9d9122061c6e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e531e77daca6a6c142e30ebaeb1f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd5a269601500792fb0588c30ad5241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19fc0305945b1147722d56e876599e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15100cab0a8f1fb3a2668fb0d20ef38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() |
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