Wednesday, July 25, 2007

Algebra

If given that a² + b² = 24, and 2ab=12, find the answer to (a - b)^2
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2 comments:

Anonymous said...

Er... enlightenment pls?

July 25, 2007 at 4:43 PM
Anonymous said...

(a-b)^2 = a²+b²-2ab
= 24 - 12
= 12
Well done!!!

July 25, 2007 at 4:46 PM

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