Question

if p+iq be one of the roots of the equation x^3+ax+b=0 then 2p us root of which equation​

Answer 1

Answer:

2p

Step-by-step explanation:

This is a cubic equation.So, it has three roots. So, if , p + i q,is one root of the equation , then , p - i q, will be another root.It is given that third Root is equal to 2 p.