Question Number 72577 by aliesam last updated on 30/Oct/19
$${solve}\:{the}\:{equation} \\ $$$$ \\ $$$${z}\left({x}+{z}\right)\frac{\partial{z}}{\partial{x}}\:−\:{y}\left({y}+{z}\right)\frac{\partial{z}}{\partial{y}}\:=\:\mathrm{0} \\ $$$$ \\ $$$${where}\:{z}=\sqrt{{y}}\:{when}\:{x}=\mathrm{1} \\ $$
Commented by mind is power last updated on 30/Oct/19
$$\mathrm{firsr}\:\mathrm{chek}\:\mathrm{please}\:\mathrm{is}\:\mathrm{x}\left(\mathrm{x}+\mathrm{z}\right)\frac{\partial\mathrm{z}}{\partial\mathrm{x}}? \\ $$$$ \\ $$
Commented by aliesam last updated on 30/Oct/19
$${i}'{ts}\:{correct}\:.\:{no}\:{error} \\ $$$$ \\ $$
Commented by aliesam last updated on 31/Oct/19