Question Number 92252 by john santu last updated on 05/May/20
$$\begin{cases}{\mathrm{x}\sqrt{\mathrm{y}}\:+\mathrm{y}\sqrt{\mathrm{x}}\:=\:\mathrm{6}}\\{\mathrm{x}+\mathrm{y}\:=\:\mathrm{5}\:}\end{cases} \\ $$$$\mathrm{find}\:\mathrm{x}^{\mathrm{3}} +\:\frac{\mathrm{1}}{\mathrm{y}}\:=\: \\ $$
Answered by john santu last updated on 05/May/20
Commented by john santu last updated on 05/May/20
$$\Rightarrow{x}^{\mathrm{3}} +\frac{\mathrm{1}}{{y}}\:=\:\frac{\mathrm{5}}{\mathrm{4}}\:{or}\:\mathrm{65}\: \\ $$