Divide numerator and denominator by x 3 {\displaystyle x^{3}} .
lim x → ∞ 3 − 2 / x 3 6 + 2 / x + 1 / x 2 = 3 6 = 1 2 . {\displaystyle \lim _{x\to \infty }{\frac {3-2/x^{3}}{6+2/x+1/x^{2}}}={\frac {3}{6}}={\frac {1}{2}}.}
