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Find the 3rd term of the arithmetic series described as : a{1} =102, a{n}= 57 and S{n}=795?
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I'm not sure what you mean by a{n} = 57
Are you saying the series converges to 57? And that the sum converges to 795?
oh, one sec.. gotta refresh my coffee
like A of n The "n" is below the A
Yes I get that, but how can you say the n'th term of the series is 57. For what value of n?
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S{n} =795
That's the sum of the first n terms, but again, what is n?
I have no clue!
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