Mathematics, 04.11.2021 14:00 toniottone01ow4vwd
Given that n/2 (4n+20) is the sum of the first terms of an arithmetic sequence. a) write down the expression for the sum of the first (n-2) terms. b) find the first term and the common difference of the above sequence.
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Given that n/2 (4n+20) is the sum of the first terms of an arithmetic sequence. a) write down the ex...
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