UPSKILL MATH PLUS

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3. Find the general term for the following sequences

Answer variants:

a_{n} = n + 1

a_{n} = 3 n

a_{n} = {(- 1)}^{n - 1} 3^{2}

a_{n} = \frac{n}{3}

3, 6, 9, 12, , , , …

The general term is

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