Conics Help (1 Viewer)

[js992]

I have absolutely no idea how to do this questions. I always start off with an idea then hit a dead end. If anyone could help it would be greatly appreciated

P(cp , c/p) is a point on the hyperbola xy=c^2
The normal to the hyperbola at P meets the hyperbola again as Q. Show that the locus of Q has equation

Thanks !