document.write( "Question 474053: How do you express this series in summation notation?\r
\n" ); document.write( "\n" ); document.write( "-(1)/(2)+(1)/(4)+(-1)/(6)+(1)/(8)+(-1)/(10)
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Algebra.Com's Answer #325120 by stanbon(75887)\"\" \"About 
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How do you express this series in summation notation?
\n" ); document.write( "-(1)/(2)+(1)/(4)+(-1)/(6)+(1)/(8)+(-1)/(10)
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\n" ); document.write( "Take care of the signs: (-1)^n
\n" ); document.write( "Take of the numerator: 1
\n" ); document.write( "Take care of the denominator:(n)(n+1)
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\n" ); document.write( "Summation[(-1)^n(1/[n(n+1)]]
\n" ); document.write( "for n = 1 to oo\r
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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