Mathematics, 25.08.2021 14:00 jadehobbs03

5 An arithmetic progression has a second term of -14 and a sum to 21 terms of 84. Find the first term and the 21st term of this progression.

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5 An arithmetic progression has a second term of -14 and a sum to 21 terms of 84. Find the first ter...

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5 An arithmetic progression has a second term of -14 and a sum to 21 terms of 84. Find the first term and the 21st term of this progression.​

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Another question on Mathematics

5 An arithmetic progression has a second term of -14 and a sum to 21 terms of 84. Find the first term and the 21st term of this progression.