Question

if alpha-beta alpha and alpha+beta are the zeroes of the polynomial f(x)=x3 -3px2 +qx-r then which of the following relations are correct? 1]2p^3=pq-r 2]2p^3=pq+r 3]p^3=pq-r 4]p^3=pq+r

Answer 1

Answer:

2 is correct dear i thought i am not conferm