Question

$\sqrt{(13 - 6 \sqrt{5}) {}^{2} } + \sqrt{(14 - 6 \sqrt{5}) {}^{2} }$
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Answer 1

$\sqrt{(13 - 6\sqrt{5} )^{2} } +\sqrt{(14 - 6\sqrt{5})^{2} }= 13 - 6\sqrt{5} + 14 - 6\sqrt{5} = 27 - 12\sqrt{5}$