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Asked by machaka

find the sum of each arithmetic series
(a)5+8+11+....to 20 terms
8 years ago

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Answered by machaka
x-4;x+2;3x+1... are the first three terms of a geometric sequence
determine the sequence if x is positive
8 years ago
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find the sum of each arithmetic series
(a)5+8+11+....to 20 terms

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