Question Number 101111 by bachamohamed last updated on 30/Jun/20
$$\: \\ $$$$\:\left\{_{\boldsymbol{{y}}−\left(\frac{\mathrm{1}}{\mathrm{4}}\right)\boldsymbol{{Argch}}\left(\boldsymbol{{y}}\right)+\mathrm{4}\boldsymbol{{ln}}\left(\boldsymbol{{x}}\right)=\mathrm{4}} ^{\boldsymbol{{x}}−\left(\frac{\mathrm{1}}{\mathrm{3}}\right)\boldsymbol{{e}}^{\boldsymbol{{y}}} +\frac{\mathrm{1}}{\mathrm{4}}\boldsymbol{{Argsh}}\left(\boldsymbol{{x}}\right)=\mathrm{2}} \:\:\right. \\ $$$$\:\:\boldsymbol{{calculer}}\:\left(\boldsymbol{{x}}.\boldsymbol{{y}}\right)? \\ $$