If $S_{n}=n^{3}$ for an Arithmetic Progression, then $a_{n}=?$

E

Editor

Sep 18, 2022

If $S_{n}=n^{3}$ for an Arithmetic Progression, then $a_{n}=?$

Difficulty: Easy

A:

n^{3}-a_{1}

B:

n^{3}+a_{1}

C:

2n^{2}-a_{1}

D:

n^{2}-a_{1}

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ID: 63273dbaca83163ac3a12c75