\(\rm \mathop {lim}\limits_{n \to \infty } \left( {\frac{{{{(n + 1)}^{1/3}}}}{{{n^{4/3}}}} + \frac{{{{(n + 2)}^{1/3}}}}{{{n^{4/3}}}} + \cdots \cdots + \frac{{{{(2n)}^{1/3}}}}{{{n^{4/3}}}}} \right)\) is equal to:
1
\(\frac{3}{4}{(2)^{4/3}} - \frac{3}{4}\)
2
\(\frac{4}{3}{(2)^{4/3}}\)
3
\(\frac{3}{4}{(2)^{4/3}} - \frac{4}{3}\)
4
\(\frac{4}{3}{(2)^{3/4}}\)