Question Number 187711 by otchereabdullai last updated on 20/Feb/23
$$\:{Evaluate}\:\: \\ $$$$\:\:\:{lim}\left({x},{y}\right)\rightarrow\left(\mathrm{1},\mathrm{0}\right)\:\:\frac{{xy}−{y}}{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} −\mathrm{2}{x}+\mathrm{1}} \\ $$