Determine Whether the Given Sequence Is Arithmetic, Geometric, or Neither $\left\{ 3 n ^ { 2 } \right\}$

Multiple Choice

Determine whether the given sequence is arithmetic, geometric, or neither. If arithmetic, find the common difference. If
geometric, find the common ratio.
- $\left\{ 3 n ^ { 2 } \right\}$

A) Geometric, $r = 3$
B) Arithmetic, $\mathrm { d } = 3$
C) Neither
D) Geometric, $r = \frac { 3 } { 2 }$