it is 6n
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It is 4n+5 and so the next term will be 25
2(n-1)
> since the value rises by nine at each step and the first term is 12 the formula for > the nth term is: 12+(n-1)*9 Which simplifies to Sn = 9n + 3
n'th term: n^2 + 5
123456789 * * * * * The nth term is 3n