If $S_{n}=3n^{n}+2n$ in an arithmetic… | ClassNotes

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If $S_{n}=3n^{n}+2n$ in an arithmetic… | ClassNotes

E

Editor

Sep 18, 2022

If $S_{n}=3n^{n}+2n$ in an arithmetic series, then first three terms of the sequence is

Difficulty: Easy

A:

5,11,17

B:

5,3,21

C:

5,9,13

D:

5,15,25

ID: 63273dbaca83163ac3a12a89