document.write( "Question 889403: find the vaalue of the following expression [1/(2^2-1)]+[1/(4^2-1)]+[1/(6^2-1)]+........+[1/(20^2-1)] \n" ); document.write( "
Algebra.Com's Answer #539368 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
by calculator...10/21 \n" ); document.write( "
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