\left. \begin array l \text WAMPLE 22 Evaluate \frac 15 – InterviewSolution

1.	\left. \begin array l \text WAMPLE 22 Evaluate \frac 15 \sqrt 10 %2B \sqrt 20 %2B \sqrt 40 - \sqrt 80 , \text is being given that \sqrt 5 = \\ \sqrt 10 = 3.162 \end array \right.
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