$\lim_{x \rightarrow -2}\frac{x^3+2x^2+x+2}{x^3+6x^2+12x+8} =$

A cura di: Administrator

Limite in forma indeterminata $frac{0}{0}$

$lim_{x rightarrow -2}frac{x^3+2x^2+x+2}{x^3+6x^2+12x+8} =$

$lim_{x rightarrow -2}frac{x^2cdot (x+2)+(x+2)}{(x+2)^3} =$

$lim_{x rightarrow -2}frac{x^2+1}{(x+2)^2} =+infty$