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Question Number 30576 by abdo imad last updated on 23/Feb/18

let consider the equation x^3  +px +q   find S= Σ_(i≠j)  (x_i /x_j ) .

$${let}\:{consider}\:{the}\:{equation}\:{x}^{\mathrm{3}} \:+{px}\:+{q}\: \\ $$$${find}\:{S}=\:\sum_{{i}\neq{j}} \:\frac{{x}_{{i}} }{{x}_{{j}} }\:. \\ $$

Commented by abdo imad last updated on 23/Feb/18

x^3  +px +q=0

$${x}^{\mathrm{3}} \:+{px}\:+{q}=\mathrm{0} \\ $$

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