SOLUTION: In a geometric progression,the 6th term is 96 and the common ratio is -2. Find the sum of the first 6 terms of the progression.

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Question 1023560: In a geometric progression,the 6th term is 96 and the common ratio is -2. Find the sum of the first 6 terms of the progression.
Answer by ikleyn(52784)   (Show Source): You can put this solution on YOUR website!
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In a geometric progression,the 6th term is 96 and the common ratio is -2. Find the sum of the first 6 terms of the progression.
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The reversed progression (6-th term, 5-th term, 4-th term and so on) is geometric progression with the first term 96 and the common ratio of .
The sum of its 6 terms is the same as the sum of the six terms of the original progression.

Is it enough for you to complete calculations?


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