Asked by shegster

how many terms are there in the series 4+12+16+................+2916.
Answered by Steve
Since the nth term is 4n, and 2916 = 4*729 It appears that there are 729 terms.
Answered by shegster
the options given are a)5 b)6 c)27 d)35
Answered by Steve
Hmmm. I see I did make an error, since 4n would be

4,8,12,16,....

I have no idea how to get from 4 to 2916 in at most 35 terms, given the slow start. It does not appear exponential.

I could of course insert any required number of terms, but the rule would be awkward.
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