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Question Number 31491 by abdo imad last updated on 09/Mar/18

let p(x)= x^n +a_(n−1) x^(n−1) +.... a_1 x +a_o if ξ is roots of p(x) prove that ∣ξ∣ ≤ 1+max_(0≤i≤n−1) ∣a_i ∣

letp(x)=xn+an−1xn−1+....a1x+aoifξisrootsofp(x)provethat∣ξ∣⩽1+max0⩽i⩽n−1∣ai∣

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