Question

The locus of the orthocentre of the triangle formed by the lines
(1+ p) x – py + p (1+ p) = 0,
(1+ q) x – qy + q (1+ q) = 0, and y = 0, where p ≠ q, is
(a) a hyperbola
(b) a parabola
(c) an ellipse
(d) a straight line

Answer 1

I think a is the answer so because