双曲线有关的题目①在双曲线y2/12-x²/13的一支上的不同的三个点A(x1,y1),B(x2,6),C(x3,y3)与焦点F(5,0)的距离成等差数列.(1)试求y1+y3(2)证明线段AC的垂直平分线经过某一定点,并求该定点
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![双曲线有关的题目①在双曲线y2/12-x²/13的一支上的不同的三个点A(x1,y1),B(x2,6),C(x3,y3)与焦点F(5,0)的距离成等差数列.(1)试求y1+y3(2)证明线段AC的垂直平分线经过某一定点,并求该定点](/uploads/image/z/9482120-8-0.jpg?t=%E5%8F%8C%E6%9B%B2%E7%BA%BF%E6%9C%89%E5%85%B3%E7%9A%84%E9%A2%98%E7%9B%AE%E2%91%A0%E5%9C%A8%E5%8F%8C%E6%9B%B2%E7%BA%BFy2%2F12-x%26sup2%3B%2F13%E7%9A%84%E4%B8%80%E6%94%AF%E4%B8%8A%E7%9A%84%E4%B8%8D%E5%90%8C%E7%9A%84%E4%B8%89%E4%B8%AA%E7%82%B9A%28x1%2Cy1%29%2CB%28x2%2C6%29%2CC%28x3%2Cy3%29%E4%B8%8E%E7%84%A6%E7%82%B9F%EF%BC%885%2C0%EF%BC%89%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%88%90%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97.%EF%BC%881%EF%BC%89%E8%AF%95%E6%B1%82y1%2By3%EF%BC%882%EF%BC%89%E8%AF%81%E6%98%8E%E7%BA%BF%E6%AE%B5AC%E7%9A%84%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86%E7%BA%BF%E7%BB%8F%E8%BF%87%E6%9F%90%E4%B8%80%E5%AE%9A%E7%82%B9%2C%E5%B9%B6%E6%B1%82%E8%AF%A5%E5%AE%9A%E7%82%B9)
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