Question Number 89712 by thor123 last updated on 18/Apr/20
Commented by mathmax by abdo last updated on 18/Apr/20
$${lim}_{{x}\rightarrow\mathrm{0}} \:\frac{{x}^{\mathrm{2}} −\mathrm{2}^{\mathrm{2}} }{{x}−\mathrm{2}}\:=\frac{−\mathrm{2}^{\mathrm{2}} }{−\mathrm{2}}\:=\mathrm{2} \\ $$