Question

considerando M=(V5+1).(V5-1) e N=V5

ME AJUDEM, URGENTE!!! ​

Answer 1

$M= ( \sqrt{5} + 1)( \sqrt{5} - 1)$

$M= ( \sqrt{5} {)}^{2} - {1}^{2}$

$M = 5 - 1$

$M= 4$

$N = \sqrt{5}$