已知双曲线的左、右焦点分别为,双曲线的离心率为,若双曲线上一

已知双曲线的左、右焦点分别为,双曲线的离心率为,若双曲线上一点使点为直线上的一点,且,则的值为

A  B          C            D


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答案

A
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