解题方法
1 . 已知双曲线
的左焦点为
,
为
右支上的动点,过
作
的一条渐近线的垂线,垂足为
,
为坐标原点,当
最小时,
,
,
成等差数列,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5315ad9beacae57ca9b0933f46c48058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31318156d1d867a8e526518c80ee77f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eaaa66fd103faa80274d27d97415019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/349e2bbc48f7237b885feab94c1678f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06c910f6dba967f26d327794133e848b.png)
A.若![]() ![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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