Question

Вычислите Lim x->3 x^2-9/2(x-3)

Answer 1

$limlimits_{ xto 3} dfrac{x^2-9}{2(x-3)} =limlimits_{ xto 3} dfrac{(x-3)(x+3)}{2(x-3)} =limlimits_{ xto 3} dfrac{x+3}{2} = dfrac{3+3}{2} =3$