Question

Спростити вираз : √112-√7-√567

Answer 1

$\sqrt{112}-\sqrt{7}-\sqrt{567}=\sqrt{16*7}-\sqrt{7}-\sqrt{81*7}=\\4\sqrt{7}-\sqrt{7}-9\sqrt{7}=3\sqrt{7}-9\sqrt{7}=-6\sqrt{7}$

Answer 2

√112-√7-√567=4√7-√7-9√7=-6√7.