SOLUTION: Need guidance with division. 2/2*sqrt(2)-1 Do I divide by the denominator? Thank you!

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Question 744470: Need guidance with division. 2/2*sqrt(2)-1
Do I divide by the denominator?
Thank you!
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2%2F%282%2Asqrt%282%29-1%29


multiply & divide by the conjugate
(2*sqrt(2)+1)
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%282%2A%282%2Asqrt%282%29%2B1%29%29%2F%288%2B2sqrt%282%29-2sqrt%282%29-1%29

%284sqrt%282%29%2B2%29%2F7

%284%2F7%29sqrt%282%29%2B%282%2F7%29