The first three terms of a geometric series are 2x,x- 8 and 2x+ 5 respectively.

The first three terms of a geometric series are 2x,x− 8 and 2x+ 5 respectively.
a) Find the possible values of x.
b) For the value of x being an integer, find:
i) The value of the eleventh term
ii) The sum of the first 15 terms

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sharon kalunda answered the question on April 30, 2019 at 07:31

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