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# Radical out of the denominator help. ?

If I have a fraction with 2x^2-2xsqrt(2)+2 in the denominator. The numerator is 1. How do I get the square root out of the denominator?

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- Anonymous9 years ago
multiply the numerator and denominator by sqrt(2) so you end up with sqrt2 in the numerator. Since sqrt2 times sqrt2 is 2, you can just plug 2 in where sqrt2 was and simplify.

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