Tìm lim của dãy số sau

$\lim\dfrac{\sqrt{2n^3}+5n-1}{2n^2-n+3}$

$=\lim\dfrac{n^2(\sqrt{\dfrac{2}{n}}+\dfrac{5}{n}-\dfrac{1}{n^2})}{n^2(2-\dfrac{1}{n}+\dfrac{3}{n^2})}$

$=\dfrac{0+0+0}{2-0+0}$

$=0$