与椭圆右、下顶点连线平行的直线交椭圆于两点,这两点到原点的距离平方和为何为定值? 知乎 Template




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tomski与椭圆右、下顶点连线平行的直线交椭圆于两点,这两点到原点的距离平方和为何为定值? 知乎 coloring