(本小题满分14分) 已知圆的圆心在直线上,且经过点, (1)求圆

(本小题满分14分)

已知圆的圆心在直线上,且经过点

(1)求圆的标准方程;

(2)直线过点且与圆相交的弦长为,求直线的方程.

(3)设为圆上一动点,为坐标原点,试求面积的最大值.

答案

答案

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