p=2 焦点(1,0)代入直线方程 m=-1
(2 ) y=x-1 y^2=4x=4y+4 y^2-4y-4=0 (y-2)^2=8 y-2=+-2√2 y1=2+2√2 x1=3+2√2
y2=2-2√2 x2=3-2√2
交点坐标为:(3+2√2,2+2√2) (3-2√2,2-2√2)
p=2 焦点(1,0)代入直线方程 m=-1
(2 ) y=x-1 y^2=4x=4y+4 y^2-4y-4=0 (y-2)^2=8 y-2=+-2√2 y1=2+2√2 x1=3+2√2
y2=2-2√2 x2=3-2√2
交点坐标为:(3+2√2,2+2√2) (3-2√2,2-2√2)