Rationalize the denominator\frac{6-4 \sqrt{2}}{6+4 \sqrt{2}} – InterviewSolution

1.	Rationalize the denominator\frac{6-4 \sqrt{2}}{6+4 \sqrt{2}}
Answer» (6-4root(2))(6-4root(2))/(36-32)=(36-48root(2)+32)/4=(68-48root(2))/4=17-12root(2)

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