Evaluate
4\left(\sqrt{194}+13\right)\approx 107.713553109
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\frac{104+8\sqrt{194}}{2}
Factor 12416=8^{2}\times 194. Rewrite the square root of the product \sqrt{8^{2}\times 194} as the product of square roots \sqrt{8^{2}}\sqrt{194}. Take the square root of 8^{2}.
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