Sequence and series

Asked by rachna1806 | 27th Aug, 2009, 09:04: AM

Expert Answer:

The nth term of series

1+(1+3)+(1+3+32)+............................... is (1+3+32.......+3n)

So, tn =1+3+32.......+3n

The above term is a GP series.

Applying the summation formula of a GP, we get

 

Answered by  | 27th Aug, 2009, 03:24: PM

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