document.write( "Question 41795: Find the sum of the infinite geometric series 36 + 24 + 16 +... if it exists \n" ); document.write( "
Algebra.Com's Answer #26961 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
The sum of an infinite geometric series is
\n" ); document.write( "S = a1 / (1-r) where a1 is the first term and r is the common ratio...here we have
\n" ); document.write( "S = 36 / (1-2/3)
\n" ); document.write( "S = 36 / (1/3)
\n" ); document.write( "S = 108
\n" ); document.write( "
\n" );