Question Number 83378 by M±th+et£s last updated on 01/Mar/20
$${x}+{y}+{z}=\mathrm{1} \\ $$$${x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} =\mathrm{2} \\ $$$${x}^{\mathrm{3}} +{y}^{\mathrm{3}} +{z}^{\mathrm{3}} =\mathrm{3} \\ $$$${find} \\ $$$${x}^{\mathrm{4}} +{y}^{\mathrm{4}} +{z}^{\mathrm{4}} =? \\ $$
Commented by mr W last updated on 01/Mar/20
$${see}\:{Q}\mathrm{74970} \\ $$
Commented by M±th+et£s last updated on 01/Mar/20
$${thank}\:{you}\:{sir} \\ $$