Question

30 . Simplicando - se 2√3 + 2√12 - 2√75 a) - 2√2 b) 2√2 c) - 3√3 d)3√3​

Answer 1

Explicação passo-a-passo:

$2\sqrt{3} +2\sqrt{2^2.3} -2\sqrt{3.5^2} =\\ \\ 2\sqrt{3} +2.2\sqrt{3} -2.5\sqrt{3} =\\ \\ 2\sqrt{3} +4\sqrt{3} -10\sqrt{3} =\\ \\ 6\sqrt{3} -10\sqrt{3} =\fbox{ -4\sqrt{3} }$