C-13-Q035: The $n$-th term of $4 + 7 + 10 + 13 + \cdots$ is —

C-13-Q035: The $n$-th term of $4 + 7 + 10 + 13 + \cdots$ is — | প্রশ্ন করি

4

3n + 4

The nnn-th term of 4+7+10+13+⋯4 + 7 + 10 + 13 + \cdots4+7+10+13+⋯ is —