椭圆(x^2)/16+(y^2)/9=1,求证明下面的线段关系,用直线参数方程做,椭圆(x^2)/16+(y^2)/9=1,过点A(2,0)的动直线AB交椭圆于M,N点,(其中N点位于A,B之间),且交直线l:x=8于点B,证明|MA|*|NB|=|AN|*|
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![椭圆(x^2)/16+(y^2)/9=1,求证明下面的线段关系,用直线参数方程做,椭圆(x^2)/16+(y^2)/9=1,过点A(2,0)的动直线AB交椭圆于M,N点,(其中N点位于A,B之间),且交直线l:x=8于点B,证明|MA|*|NB|=|AN|*|](/uploads/image/z/13943972-20-2.jpg?t=%E6%A4%AD%E5%9C%86%EF%BC%88x%5E2%EF%BC%89%2F16%2B%EF%BC%88y%5E2%EF%BC%89%2F9%3D1%2C%E6%B1%82%E8%AF%81%E6%98%8E%E4%B8%8B%E9%9D%A2%E7%9A%84%E7%BA%BF%E6%AE%B5%E5%85%B3%E7%B3%BB%2C%E7%94%A8%E7%9B%B4%E7%BA%BF%E5%8F%82%E6%95%B0%E6%96%B9%E7%A8%8B%E5%81%9A%2C%E6%A4%AD%E5%9C%86%EF%BC%88x%5E2%EF%BC%89%2F16%2B%EF%BC%88y%5E2%EF%BC%89%2F9%3D1%2C%E8%BF%87%E7%82%B9A%EF%BC%882%2C0%EF%BC%89%E7%9A%84%E5%8A%A8%E7%9B%B4%E7%BA%BFAB%E4%BA%A4%E6%A4%AD%E5%9C%86%E4%BA%8EM%2CN%E7%82%B9%2C%EF%BC%88%E5%85%B6%E4%B8%ADN%E7%82%B9%E4%BD%8D%E4%BA%8EA%2CB%E4%B9%8B%E9%97%B4%EF%BC%89%2C%E4%B8%94%E4%BA%A4%E7%9B%B4%E7%BA%BFl%3Ax%3D8%E4%BA%8E%E7%82%B9B%2C%E8%AF%81%E6%98%8E%7CMA%7C%2A%7CNB%7C%3D%7CAN%7C%2A%7C)
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