document.write( "Question 979196: Evaluate or simplify (n-1)! \n" ); document.write( "
Algebra.Com's Answer #600529 by Alan3354(69443)\"\" \"About 
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Evaluate or simplify (n-1)!
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\n" ); document.write( "= (n-1)*(n-2)*(n-3)*(n-4)...*1
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\n" ); document.write( "eg, 6! = 6*5*4*3*2*1 = 720
\n" ); document.write( "It's called factorial.\r
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