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(a) An arithmetic progression is such that the first term is -5, the last is 135 and the sum of progression is...

(a) An arithmetic progression is such that the first term is -5, the last is 135 and the sum of progression is 975. Calculate
(i) The number of terms in the series.
(ii) The common difference of the progression.
(b)The sum of the first three terms of a geometric progression is 27 and first term is 36.
Determine the common ratio and the value of the fourth term.

Answers

Kavungya answered the question on September 17, 2019 at 11:00

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