The general term of the sequence $\dfrac{1}{2}, \dfrac{1}{5}, \dfrac{1}{10}, \dfrac{1}{17}, \ldots$ is —

Question

Accepted Answer

$\dfrac{1}{n^2 + 1}$

Answer

$\dfrac{1}{n+1}$

Answer

$\dfrac{1}{2n}$

Answer

$\dfrac{1}{2n - 1}$

The general term of the sequence 12,15,110,117,…\dfrac{1}{2}, \dfrac{1}{5}, \dfrac{1}{10}, \dfrac{1}{17}, \ldots21​,51​,101​,171​,… is —