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\frac{2\sqrt{3}}{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}.
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Cancel out 2\sqrt{3} in both numerator and denominator.
Examples
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Limits
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