点(x,y)在圆x^2+y^2-6x-6y+12=0上,求x^2+y^2的最值

【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) 点(x,y)在圆x^2+y^2-6x-6y+12=0上,求x^2+y^2的最值 点p(x,y)在圆x^2+y^2-6x-6y+12=0上,求x^2+y^2最值如题 已知点P(x,y)在圆C:x^2+y^2-6x-6y+14=0上,点O为坐标原点 (1)求y/x已知点P(x,y)在圆C:x^2+y^2-6x-6y+14=0上,点O为坐标原点(1)求y/x的最大值和最小值(2)求x^2+y^2+2x+3的最大值和最小值 计算:(x-y)^2*(y-x)^2*(x-y)^6 6(x+y)2-2(x-y)(x+y)因式分解 点P(x,y)在第四象限,x,y满足｛x+y=m 2x-y=6,求m的范围. M(x,y)在圆x^2+y^2=1上移动,求点Q(x(x+y),y(x+y))的轨迹 已知点P(x,y)是圆x^2+y^2-6x-4y+12=0上的动点,求x+y的最值 因式分解3x^2(x-y)+6x(y-x) (x+y)^2+6(x+y)+9 已知点P（x,y)在圆上x2+y2-6x-6y+14=2上,求x分之y的最大值和最小值 [最大值的问题]点P(x,y)在圆(x+3)^2+(y-3)^2=6上运动,则y/x的最大值等于 点P（x,y）在圆（x-3）^2+（y-√3）^2=6上运动,则y/x的最大值是? 点P(x,y)在圆（x-3）^2+(y-3)^2=6上,求y/x的最大值与最小值 点p(x,y)在不等式组x-y+2>=0,x+y-4 [2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2 已知p（x,y)为圆x^2+y^2-6x-4y+12=0 上的点,求Y/X的最大值和最小值