Question

lim_{x to infty} frac{ x^{3}+ x^{2} }{3- x^{2} } 

Answer 1

$lim_{x->infty} frac{x^3+x^2}{3-x^2}=\\lim_{x->infty} frac{1+frac{1}{x}}{frac{3}{x^3}-frac{1}{x}}=|frac{1}{0}|=infty$