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October 23, 2014

Homework Help: Pre Calculus

Posted by HanuMath25/11 on Sunday, November 25, 2012 at 5:23pm.

(a) Determine the number of terms, n, if 3+3^2+3^3+..........+3^n= 9840.

(b) Three numbers, a, b and c form a geometric series so that a+b+c = 35 and abc = 1000. What are the values of a, b and c ?

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