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如图,圆M圆心在x轴上,与x轴的一个交点为A(﹣2,0),与y轴的一个交点为B(0,﹣2 2 ),点P是OA的中点.若过P点的直线l截圆M所得的弦长为2 6 ,则直线l的方程为____

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y= 3 x+ 3{#/

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