Question

In the quadratic equation ax² + bx + c = 0 if △ = b² – 4ac and α + β , α² + β² and α³ + β³ are in G.P, where D, E are the roots of the equation, then

(a) △ ≠  0

(b) b△ = 0

(c) c△ = 0

(d) △ = 0

Answer 1

Correct option is (c) c△ = 0