求过两圆x²+y²+2x-3y-9=0和x²+y²-2x+5y=0的交点
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![求过两圆x²+y²+2x-3y-9=0和x²+y²-2x+5y=0的交点](/uploads/image/z/3736929-57-9.jpg?t=%E6%B1%82%E8%BF%87%E4%B8%A4%E5%9C%86x%26%23178%3B%2By%26%23178%3B%2B2x-3y-9%3D0%E5%92%8Cx%26%23178%3B%2By%26%23178%3B-2x%2B5y%3D0%E7%9A%84%E4%BA%A4%E7%82%B9)
求过两圆x²+y²+2x-3y-9=0和x²+y²-2x+5y=0的交点
求过两圆x²+y²+2x-3y-9=0和x²+y²-2x+5y=0的交点
求过两圆x²+y²+2x-3y-9=0和x²+y²-2x+5y=0的交点
把两圆x2+y2+3x-y=0和x2+y2+2x+y=0的方程相减得:x-2y=0,x-2y=0
故经过两圆x2+y2+3x-y=0和x2+y2+2x+y=0的交点的直线方程为 x-2y=0,
故答案为:x-2y=0.