$\frac{1}{2 \cdot 5} + \frac{1}{5 \cdot 8} + \frac{1}{8 \cdot 11} + \ldots$ up to $n$ terms =

Question

$\frac{n}{4n + 6}$

$\frac{1}{6n + 4}$

$\frac{n}{6n + 4}$

$\frac{3n + 7}{6n + 4}$

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