已知圆心C在直线x+y-2=0上,且过A(3,1)B(1,3) (1)求圆C方程 (2)求过P(2,-2)这个点且与圆相交所得弦长2根3的直线方程
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![已知圆心C在直线x+y-2=0上,且过A(3,1)B(1,3) (1)求圆C方程 (2)求过P(2,-2)这个点且与圆相交所得弦长2根3的直线方程](/uploads/image/z/2795692-4-2.jpg?t=%E5%B7%B2%E7%9F%A5%E5%9C%86%E5%BF%83C%E5%9C%A8%E7%9B%B4%E7%BA%BFx%2By-2%3D0%E4%B8%8A%2C%E4%B8%94%E8%BF%87A%EF%BC%883%2C1%EF%BC%89B%EF%BC%881%2C3%EF%BC%89+%EF%BC%881%EF%BC%89%E6%B1%82%E5%9C%86C%E6%96%B9%E7%A8%8B+%EF%BC%882%EF%BC%89%E6%B1%82%E8%BF%87P%EF%BC%882%2C-2%EF%BC%89%E8%BF%99%E4%B8%AA%E7%82%B9%E4%B8%94%E4%B8%8E%E5%9C%86%E7%9B%B8%E4%BA%A4%E6%89%80%E5%BE%97%E5%BC%A6%E9%95%BF2%E6%A0%B93%E7%9A%84%E7%9B%B4%E7%BA%BF%E6%96%B9%E7%A8%8B)
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