In an arithmetic progression, the 20^th term is 92 and the sum of the first 20 terms is 890. Calculate; (a) the first term (b) the...

In an arithmetic progression, the 20^th term is 92 and the sum of the first 20 terms is 890. Calculate;
(a) the first term
(b) the common difference

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sharon kalunda answered the question on August 26, 2019 at 13:33

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