document.write( "Question 853476: For part (a), find the sum of the first n terms of the geometric
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\n" ); document.write( "\n" ); document.write( "60. 1 + 4 + 16 + 64 + . . .
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Algebra.Com's Answer #514130 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
S=t*(1 - r^n)/(1 - r)
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