Posted by Watermelon on .
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,
Your question has been answered twice already
Please go back and check your previous posts of this question before reposting it.
See the "Related Questions" section below
The spelling is still as atrocious as before, even after having it pointed out to you twice.