Evaluate
2\sqrt{6}\approx 4.898979486
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\sqrt{2}\sqrt{2}\sqrt{6}
Factor 12=2\times 6. Rewrite the square root of the product \sqrt{2\times 6} as the product of square roots \sqrt{2}\sqrt{6}.
2\sqrt{6}
Multiply \sqrt{2} and \sqrt{2} to get 2.
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