Question Number 104251 by Anindita last updated on 20/Jul/20
$$\mathrm{If}\:{x}=\mathrm{8}\:\mathrm{and}\:{y}=\mathrm{5}\:\mathrm{then}\:\mathrm{what}\:\mathrm{is}\:\mathrm{the} \\ $$$$\mathrm{answer}\:\mathrm{of}\:\:\frac{{x}+{y}+\mathrm{6}}{{x}^{\mathrm{2}} −{y}^{\mathrm{3}} }\:? \\ $$
Answered by mathmax by abdo last updated on 20/Jul/20
$$\frac{\mathrm{x}+\mathrm{y}+\mathrm{6}}{\mathrm{x}^{\mathrm{2}} −\mathrm{y}^{\mathrm{3}} }\:=\frac{\mathrm{8}+\mathrm{5}+\mathrm{6}}{\mathrm{8}^{\mathrm{2}} −\mathrm{5}^{\mathrm{3}} }\:=\frac{\mathrm{19}}{\mathrm{64}−\mathrm{125}}\:=\frac{\mathrm{19}}{\mathrm{61}} \\ $$$$ \\ $$