F1,F2分别是双曲线C:x2/a2-y2/b2=1(a,b>0)的左,右焦点,B是虚轴的端点,直线F1B与C的两条渐近线分别交于P,Q两点,线段PQ的垂直平分线与x轴交于点M,若MF2的绝对值=F1F2的绝对值,则C的离心率是?
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![F1,F2分别是双曲线C:x2/a2-y2/b2=1(a,b>0)的左,右焦点,B是虚轴的端点,直线F1B与C的两条渐近线分别交于P,Q两点,线段PQ的垂直平分线与x轴交于点M,若MF2的绝对值=F1F2的绝对值,则C的离心率是?](/uploads/image/z/2313312-24-2.jpg?t=F1%2CF2%E5%88%86%E5%88%AB%E6%98%AF%E5%8F%8C%E6%9B%B2%E7%BA%BFC%3Ax2%2Fa2-y2%2Fb2%3D1%28a%2Cb%3E0%29%E7%9A%84%E5%B7%A6%2C%E5%8F%B3%E7%84%A6%E7%82%B9%2CB%E6%98%AF%E8%99%9A%E8%BD%B4%E7%9A%84%E7%AB%AF%E7%82%B9%2C%E7%9B%B4%E7%BA%BFF1B%E4%B8%8EC%E7%9A%84%E4%B8%A4%E6%9D%A1%E6%B8%90%E8%BF%91%E7%BA%BF%E5%88%86%E5%88%AB%E4%BA%A4%E4%BA%8EP%2CQ%E4%B8%A4%E7%82%B9%2C%E7%BA%BF%E6%AE%B5PQ%E7%9A%84%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86%E7%BA%BF%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9M%2C%E8%8B%A5MF2%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%3DF1F2%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%2C%E5%88%99C%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87%E6%98%AF%3F)
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F1,F2分别是双曲线C:x2/a2-y2/b2=1(a,b>0)的左,右焦点,B是虚轴的端点,直线F1B与C的两条渐近线分别交于P,Q两点,线段PQ的垂直平分线与x轴交于点M,若MF2的绝对值=F1F2的绝对值,则C的离心率是?
F1,F2分别是双曲线C:x2/a2-y2/b2=1(a,b>0)的左,右焦点,B是虚轴的端点,直线F1B与C的两条渐近线分别交于P,Q两点,线段PQ的垂直平分线与x轴交于点M,若MF2的绝对值=F1F2的绝对值,则C的离心率是?
F1,F2分别是双曲线C:x2/a2-y2/b2=1(a,b>0)的左,右焦点,B是虚轴的端点,直线F1B与C的两条渐近线分别交于P,Q两点,线段PQ的垂直平分线与x轴交于点M,若MF2的绝对值=F1F2的绝对值,则C的离心率是?
自己列个方程式不就出来了,