Evaluate
2\left(\sqrt{106}+368\right)\approx 756.591260282
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736+2\sqrt{106}
Factor 424=2^{2}\times 106. Rewrite the square root of the product \sqrt{2^{2}\times 106} as the product of square roots \sqrt{2^{2}}\sqrt{106}. Take the square root of 2^{2}.
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