Question

VAROG FRUMOS!!! URGENT???
EXERCITIUL 11.

Answer 1

√2*√32= √2*√2^5= √2*√2²*2²*2=√2*2*2*√2=2*2*2=8=2³

√63*-√(7)= √7*9*(-√7)=√3²*7*(-√7)=3*√7*(-√7)=3*(-7)=-21

√12*√21/√7=√2²*√3*√3*√7=2*3*√7=6√7 6√7/√7=6

√5,4/√9,6=√9*√0,6/√16*0,6= √3²*0,6/√4²*0,6=3*√0,6/4*√06=3/4

-√7,5/-√0,3=-√25*0,3/-√0,3=-√5²*0,3/-√0,3=-5*√0,3/-√0,3=-5/-1=5