已知双曲线x^2/a^2- y^2/b^2=1(a>0,b>0)的左,右焦点分别为F1,F2,点P在双曲线的右支上,且绝对值PF=4绝对值PF2,则双曲线离心率的最大值是 求详解
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![已知双曲线x^2/a^2- y^2/b^2=1(a>0,b>0)的左,右焦点分别为F1,F2,点P在双曲线的右支上,且绝对值PF=4绝对值PF2,则双曲线离心率的最大值是 求详解](/uploads/image/z/2588500-28-0.jpg?t=%E5%B7%B2%E7%9F%A5%E5%8F%8C%E6%9B%B2%E7%BA%BFx%5E2%2Fa%5E2-+y%5E2%2Fb%5E2%3D1%28a%3E0%2Cb%3E0%29%E7%9A%84%E5%B7%A6%2C%E5%8F%B3%E7%84%A6%E7%82%B9%E5%88%86%E5%88%AB%E4%B8%BAF1%2CF2%2C%E7%82%B9P%E5%9C%A8%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%9A%84%E5%8F%B3%E6%94%AF%E4%B8%8A%2C%E4%B8%94%E7%BB%9D%E5%AF%B9%E5%80%BCPF%3D4%E7%BB%9D%E5%AF%B9%E5%80%BCPF2%2C%E5%88%99%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%A6%BB%E5%BF%83%E7%8E%87%E7%9A%84%E6%9C%80%E5%A4%A7%E5%80%BC%E6%98%AF+%E6%B1%82%E8%AF%A6%E8%A7%A3)
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