Question

2/27 - V75 + 3V12 =
...............​

Answer 1

Resposta:

7√3 espero ter te ajudado bons estudos

Answer 2

$\ \ \ 2\sqrt{27} -\sqrt{75} + 3\sqrt{12} \\\\=2\sqrt{9\cdot 3} -\sqrt{25\cdot3} + 3\sqrt{4\cdot3}\\\\=2\sqrt{9}\cdot\sqrt{3} -\sqrt{25}\cdot\sqrt{3} + 3\sqrt{4}\cdot\sqrt{3} \\\\=2\cdot{3}\cdot\sqrt{3} -5\sqrt{3} + 3\cdot2\sqrt{3} \\\\=6\sqrt{3} -5\sqrt{3} + 6\sqrt{3} \\\\=7\sqrt{3}$