GP Caluculus
posted by Watermelon .
The third term of a geometric progression is 16. The sum of the third term and the fourth term is 8.Find
(a)the first term and the common ratio of the progression.
(b)the sum of infinity of the progression.

GP Caluculus 
Reiny
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The spelling is still as atrocious as before, even after having it pointed out to you twice.
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