Question

Корень Номер 67 (1-4)

Answer 1

$( sqrt{6})^2=6\\(4 sqrt{3})^2=4^2( sqrt{3})^2=16*3=48\\ sqrt{5}sqrt{5}= (sqrt{5})^2=5\\(- sqrt{13})^2=(-1)^2*( sqrt{13})^2=1*13=13$