document.write( "Question 250953: Find \r
\n" ); document.write( "\n" ); document.write( "-4+((100*(pi^2))/2!)-((2500*(pi^4))/4!)+((62500*(pi^6))/6!)-...
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Algebra.Com's Answer #184455 by drk(1908)\"\" \"About 
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We can create a formula for the alternating sum. It might look a little messy:\r
\n" ); document.write( "\n" ); document.write( "SUM(n=0 to inf.) (-1)^n^2*pi^(2n+2) / (2n+2)factorial(!)\r
\n" ); document.write( "\n" ); document.write( "If we sum all of this, we get 8.\r
\n" ); document.write( "\n" ); document.write( "Now, -4 + 8 = 4.
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