Let α+iβ,α,βϵ R be a root of the equation x3+qx+r=0,q,rϵ R. The – InterviewSolution

1.	Let α+iβ,α,βϵ R be a root of the equation x3+qx+r=0,q,rϵ R. The cubic equation is independent of α and β whose one root is 2α, is
Answer» Let $α + i β, α, β ϵ R$ be a root of the equation $x^{3} + q x + r = 0, q, r ϵ R$ . The cubic equation is independent of $α a n d β$ whose one root is $2 α$ , is

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