e^{1+x^{2}}\,\operatorname{tg}\left(y\right)\,\mathrm{d}x-\frac{\left(e^{2}\right)^{x}}{x-1}\,\mathrm{d}y=0
e^{1+x^{2}}\,\operatorname{tg}\left(y\right)\,\mathrm{d}x-\frac{\left(e^{2}\right)^{x}}{x-1}\,\mathrm{d}y=0