Axis of parabola is along the line y = x, its focus vertex are at a distance` ` and ` ` respectively from origin, then equation of the parabola is (focus and vertex lie in the 1st=quadrant)
(x - y)2 = 8(x + y - 2)
(x + y)2 = 8(x + y - 2)
(x - y)2 = 4(x + y - 2)
(x + y)2 = 4(x + y - 2)