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Posted by Dee on Wednesday, January 5, 2011 at 10:08pm.
How do you express (sq.root of 3 + 1)(sq.root of 3 - 1) in simplest form?
(√3 + 1)(√3 - 1) = 3 - 1 = 2 this has the pattern of the difference of squares just like (a+b)(a-b) = a^2 - b2
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