U
uzumakiduong


giải hpt :
$\sqrt[]{xy + (x-y)(\sqrt[]{xy} -2)}$ + $\sqrt[]{x}$ = y + $\sqrt[]{y}$
(x+1)(y + $\sqrt[]{xy}$ +x + $x^2$) =4
$\sqrt[]{xy + (x-y)(\sqrt[]{xy} -2)}$ + $\sqrt[]{x}$ = y + $\sqrt[]{y}$
(x+1)(y + $\sqrt[]{xy}$ +x + $x^2$) =4