2(n-1)
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it is 6n
It is 4n+5 and so the next term will be 25
> 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
123456789 * * * * * The nth term is 3n
11