Question

Calcule o limite:
$\lim_{x \to +\infty} \frac{(5x^{3} - 6x + 1)}{(6x^{2} + x + 3)}$

Answer 1

Resposta:

LIm (5x³-6x+1)/(6x²+x+3)

x-->∞

LIm  x²*(5x-6/x+1/x²)/x²(6+x/x²+3/x²)

x-->∞

LIm  (5x-6/x+1/x²)/(6+x/x²+3/x²) =  (∞-0+0)/(6+0+0) =∞/6=∞

x-->∞