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January 30, 2015

January 30, 2015

Posted by **Dee** on Wednesday, January 5, 2011 at 10:08pm.

(sq.root of 3 + 1)(sq.root of 3 - 1) in simplest form?

- Math -
**Reiny**, Wednesday, January 5, 2011 at 10:43pm(√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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