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February 1, 2015

February 1, 2015

Posted by **alexis** on Wednesday, April 13, 2011 at 7:17pm.

thnx alot!

- math help me!! -
**bobpursley**, Wednesday, April 13, 2011 at 7:20pmNo, it is not rational.

sqrt(56)=sqrt(4*14)=sqrt(4*2*7)

sqrt2, sqrt 7 are irrational. The only square roots that are rational are squares of rational numbers.

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