Difference between revisions of "User:Xyteron"
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| − | <math>a^4 – b^4 = (a^2 – b^2)(a^2 + b^2) = 729((a+b)^2 – 4ab) = 729(841 – 224) = 449,793</math> | + | <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> |
Revision as of 19:02, 28 November 2006
= 
= 729(841 – 224) = 449,793</math>
