Question

过点P(3.4)的动直线与两坐标轴的焦点分别是A.B过A.B分别作俩轴的垂线交于M求M的轨迹方程

Answer 1

k(AB)=k(AP)

k(AB)=y/(0-x)

k(AP)=(y-4)/(0-3)

k(AB)=y/(0-x)=(y-4)/(0-3)