名校
1 . 已知点
分别是双曲线
:
的左右两焦点,过点
的直线与双曲线的左右两支分别交于
两点,若
是以
为顶角的等腰三角形,其中
,则双曲线离心率
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cd0a769f2f0a7ee797424fb6906aaf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f4fc56361bcf3d25c5b9d8ba6e658ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70194ac8f56b1e38c1e0fa11cfa8175d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
您最近一年使用:0次
2018-07-14更新
|
2556次组卷
|
7卷引用:新疆乌鲁木齐市第八中学2021-2022学年高二上学期第二次月考模拟数学试题
名校
2 . 在
中,角A,B,C所对的边分别为a,b,c,且A是B和C的等差中项,
,
,则
周长的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f23446d21ad616cc96811fb0874c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36eb609bd8d1d666cf42a8f7dd3194ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2018-06-19更新
|
4270次组卷
|
4卷引用:新疆伊犁州奎屯一中 2018-2019学年高一(下))第二次月考数学试卷(理科)
3 . 已知圆
.若
是圆
上不同两点,以
为边作等边
,则
的最大值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d15ca2ed3a635cc717b0a21509525b9.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2018-03-08更新
|
1259次组卷
|
2卷引用:新疆昌吉市玛纳斯县第一中学2018-2019学年高一上学期第二次月考数学试题