Homework Help: math

Posted by Ali on Friday, November 5, 2010 at 1:17pm.

in a Geometric progression the sum of the first and the second terms is 90 and the sum of the second and the fourth terms is equal to 30.find the sum of the first 8th term in the progression

math - Anonymous, Friday, November 5, 2010 at 1:19pm
for both of your questions, do you mean "1st though 8th"?

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