write down the terms indicated in each of these arithmetic series.

I worked out what the 12th term is, using this formulae

but I am not sure how to work out the nth term? do i use the same formulae?

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- February 23rd 2009, 10:57 AMTweetyseqences help!
write down the terms indicated in each of these arithmetic series.

I worked out what the 12th term is, using this formulae

but I am not sure how to work out the nth term? do i use the same formulae? - February 23rd 2009, 11:00 AMADARSH