Difference between revisions of "User:Xyteron"

Revision as of 18:02, 28 November 2006

$a^4 – b^4$ = (a^2 – b^2)(a^2 + b^2) = $729((a+b)^2 – 4ab)$ = 729(841 – 224) = 449,793</math>

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−	<math>a^4 – b^4 = (a^2 – b^2)(a^2 + b^2)~~</math>~~ = <math> 729((a+b)^2 – 4ab) </math> = 729(841 – 224) = 449,793</math>	+	<math>a^4 – b^4</math> = (a^2 – b^2)(a^2 + b^2) = <math> 729((a+b)^2 – 4ab) </math> = 729(841 – 224) = 449,793</math>