设动点A到点F1(-1,0)和F2(1,0)的距离分别为设动点p到点F1(-1,0)和F2(1,0)的距离为d1,d2,∠F1PF2=2a,且存在常数λ(0
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![设动点A到点F1(-1,0)和F2(1,0)的距离分别为设动点p到点F1(-1,0)和F2(1,0)的距离为d1,d2,∠F1PF2=2a,且存在常数λ(0](/uploads/image/z/11274317-53-7.jpg?t=%E8%AE%BE%E5%8A%A8%E7%82%B9A%E5%88%B0%E7%82%B9F1%EF%BC%88-1%2C0%EF%BC%89%E5%92%8CF2%EF%BC%881%2C0%EF%BC%89%E7%9A%84%E8%B7%9D%E7%A6%BB%E5%88%86%E5%88%AB%E4%B8%BA%E8%AE%BE%E5%8A%A8%E7%82%B9p%E5%88%B0%E7%82%B9F1%EF%BC%88-1%2C0%EF%BC%89%E5%92%8CF2%EF%BC%881%2C0%EF%BC%89%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BAd1%2Cd2%2C%E2%88%A0F1PF2%3D2a%2C%E4%B8%94%E5%AD%98%E5%9C%A8%E5%B8%B8%E6%95%B0%CE%BB%EF%BC%880)
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