Question

$6 \times |1 - \sqrt{5} |$
cer lamurire/formule
cum se inmulteste la modul​

Answer 1

$\sqrt4 < \sqrt5 < \sqrt9\\2 < \sqrt5 < 3\\ 1-\sqrt5 < 0\implies |1-\sqrt5|=\sqrt5-1\\\\6\cdot|1-\sqrt5|=6(\sqrt5-1)=\boxed{6\sqrt5-6}$