网址:http://m.1010jiajiao.com/timu3_id_4461448[举报]
动圆x2+y2-(4m+2)x-2my+4m2+4m+1=0的圆心的轨迹方程是________.
动圆x2+y2-(4m+2)x-2my+4m2+4m+1=0的圆心轨迹方程是
[ ]