已知圆C经过A(3,2)\B(1,6)两点,且圆心在直线y=2x上.1.求圆C方程2.若直线l经过点P(-1,3),且与圆C相切,求直线l的方程
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![已知圆C经过A(3,2)\B(1,6)两点,且圆心在直线y=2x上.1.求圆C方程2.若直线l经过点P(-1,3),且与圆C相切,求直线l的方程](/uploads/image/z/5572215-63-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%9C%86C%E7%BB%8F%E8%BF%87A%283%2C2%29%5CB%281%2C6%29%E4%B8%A4%E7%82%B9%2C%E4%B8%94%E5%9C%86%E5%BF%83%E5%9C%A8%E7%9B%B4%E7%BA%BFy%3D2x%E4%B8%8A.1.%E6%B1%82%E5%9C%86C%E6%96%B9%E7%A8%8B2.%E8%8B%A5%E7%9B%B4%E7%BA%BFl%E7%BB%8F%E8%BF%87%E7%82%B9P%28-1%2C3%29%2C%E4%B8%94%E4%B8%8E%E5%9C%86C%E7%9B%B8%E5%88%87%2C%E6%B1%82%E7%9B%B4%E7%BA%BFl%E7%9A%84%E6%96%B9%E7%A8%8B)
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