Question

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$|1 + \sqrt{3} - \sqrt{12} |$

Answer 1

$|1+\sqrt{3} -\sqrt{12} |=| 1+\sqrt{3} -2\sqrt{3}| =| 1-\sqrt{3}|=\sqrt{3} -1$

Answer 2

√12=2√3
|1+√3-2√3|=|1-√3|=-(1-√3)=√3-1