Current question i'm doing;
Find as a relation between p, q anr r, the condition for the quadratic equation in x
(p^2 - q^2 )x^2 +2q (p + r)x + (q^2 - r^2 = 0) to have equal roots. simplify your answer as far as possible.
Post holiday brain malfunction is upon me, and have no idea what to...