document.write( "Question 35496: determine the sum for the geometric sequence:
\n" ); document.write( "n=12 , r=3 , T1 = 1/9 \n" ); document.write( "

Algebra.Com's Answer #21680 by Prithwis(166) $\"\"$ $\"About$

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Sum S(n) = t1(r^n-1)/(r-1) (r being the ratio and t1 being the first term)
\n" ); document.write( "S(12)=(1/9)(3^12-1)/(3-1)=(3^12-1)/18 (it approximates to 29524.4444)
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