圆O1的方程为:x²+(y+1)²圆O1的方程为x^2+(y+1)^2=4,圆O2的圆心O2(2,1)若圆O2与圆O1交于A,B两点,且AB=2倍根2,求圆O2的方程圆心O2(2,1)我知道有两个解,半径为根号20那个怎么算出来的?
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![圆O1的方程为:x²+(y+1)²圆O1的方程为x^2+(y+1)^2=4,圆O2的圆心O2(2,1)若圆O2与圆O1交于A,B两点,且AB=2倍根2,求圆O2的方程圆心O2(2,1)我知道有两个解,半径为根号20那个怎么算出来的?](/uploads/image/z/5482762-34-2.jpg?t=%E5%9C%86O1%E7%9A%84%E6%96%B9%E7%A8%8B%E4%B8%BA%3Ax%26%23178%3B%2B%28y%2B1%29%26%23178%3B%E5%9C%86O1%E7%9A%84%E6%96%B9%E7%A8%8B%E4%B8%BAx%5E2%2B%28y%2B1%29%5E2%3D4%2C%E5%9C%86O2%E7%9A%84%E5%9C%86%E5%BF%83O2%EF%BC%882%2C1%EF%BC%89%E8%8B%A5%E5%9C%86O2%E4%B8%8E%E5%9C%86O1%E4%BA%A4%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%2C%E4%B8%94AB%3D2%E5%80%8D%E6%A0%B92%2C%E6%B1%82%E5%9C%86O2%E7%9A%84%E6%96%B9%E7%A8%8B%E5%9C%86%E5%BF%83O2%EF%BC%882%2C1%EF%BC%89%E6%88%91%E7%9F%A5%E9%81%93%E6%9C%89%E4%B8%A4%E4%B8%AA%E8%A7%A3%2C%E5%8D%8A%E5%BE%84%E4%B8%BA%E6%A0%B9%E5%8F%B720%E9%82%A3%E4%B8%AA%E6%80%8E%E4%B9%88%E7%AE%97%E5%87%BA%E6%9D%A5%E7%9A%84%3F)
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