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The third and the fifth terms of an arithmetic progression are 10 and -10 respectively. (a)Determine the first term and the common difference (b)The sum of the...

The third and the fifth terms of an arithmetic progression are 10 and -10 respectively.
(a)Determine the first term and the common difference
(b)The sum of the first 15 terms.

Answers

Kavungya answered the question on September 23, 2019 at 06:43

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