Write the first four terms for each sequence. State whether the sequence is arithmetic, geometric, or neither.
(a) $a_{n}=2 n^{2}+1$
(b) $a_{n}=\left(-\frac{5}{3}\right)^{n-1}$
(c) $a_{1}=4, a_{2}=1, a_{n}=2 a_{n-1}-a_{n-2}$, for $n \geq 3$

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The Answer of Write the first four terms for each sequence. State whether the sequence is arithmetic, geometric, or neither.
(a) $a_{n}=2 n^{2}+1$
(b) $a_{n}=\left(-\frac{5}{3}\right)^{n-1}$
(c) $a_{1}=4, a_{2}=1, a_{n}=2 a_{n-1}-a_{n-2}$, for $n \geq 3$

Write the First Four Terms for Each Sequence an=2n2+1a_{n}=2 n^{2}+1an​=2n2+1 (B) an=(−53)n−1a_{n}=\left(-\frac{5}{3}\right)^{n-1}an​=(−35​)n−1

Write the First Four Terms for Each Sequence $a_{n}=2 n^{2}+1$ (B) $a_{n}=\left(-\frac{5}{3}\right)^{n-1}$