Mathematics, 18.01.2022 01:00 lolamegananne

The sum of the first 9 terms of an AP is 72 and the sum of the next 4 terms is 71. Find the first term and the common difference. Also, find the sum of the first five terms. AP

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The sum of the first 9 terms of an AP is 72 and the sum of the next 4 terms is 71. Find the first te...