和原点及直线z+4y=3等距离的点的轨迹方程是()
A.16x2+y2+8xy+6x+24y-9=0 B.16x2+y2-8xy-6x+24y-9=0 C.16x2+y2-8xy+6x+24y-9=0 D.16x2+y2-8xSy+6x-24y-9=0正确答案C
和原点及直线z+4y=3等距离的点的轨迹方程是()
A.16x2+y2+8xy+6x+24y-9=0 B.16x2+y2-8xy-6x+24y-9=0 C.16x2+y2-8xy+6x+24y-9=0 D.16x2+y2-8xSy+6x-24y-9=0正确答案C