Question

simplifique os radicais:
$2 \sqrt{5} + 2 \sqrt{7}$
$11 \sqrt{2} + 11 \sqrt{13}$
$4 \sqrt{12} + 8 \sqrt{13} + 10 \sqrt{15}$
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Answer 1

2(√5+√7)

11(√2+√13)

2(2√12+4√13+5√15)