document.write( "Question 41117: Find the sum of the geometric Series: 4,-2,-1/2,.....Answer should be a fraction. \n" ); document.write( "
Algebra.Com's Answer #26521 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Find the sum of the geometric Series: 4,-2,-1/2,.....\r
\n" ); document.write( "\n" ); document.write( "What you have posted is not a geometric sequence.
\n" ); document.write( "The ratio of -2 to 4 is -1,2
\n" ); document.write( "The ratio of -1/2 to -2 is +1/4\r
\n" ); document.write( "\n" ); document.write( "Without a consistent \"r\" there is no geometric sequence.
\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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