Question

СРОЧНО!!!


1) ($5 sqrt{3}$+$sqrt{27}$)$sqrt{3}$
2) ($sqrt{5}-1$)$^{2}$($2 sqrt{5}+1$)$^{2}$

Answer 1

(5√3+√27)*√3=5√3*√3+√27*√3=5*3+√81=15+9=24

(√5-1)² *(√5+1)²=((√5-1)*(√5+1))²=((√5)²-1²)²=(5-1)²=4²=16