Evaluate
8\sqrt{3}+1\approx 14.856406461
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1+4\times 2\sqrt{3}
Factor 12=2^{2}\times 3. Rewrite the square root of the product \sqrt{2^{2}\times 3} as the product of square roots \sqrt{2^{2}}\sqrt{3}. Take the square root of 2^{2}.
1+8\sqrt{3}
Multiply 4 and 2 to get 8.
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