Question

Efetue as multiplicações:
V é a raiz quadrada
a)V2.(V7+2) =
b)V5.(1+V5)=
c) (3V2-2).(V2+3)=

Answer 1

a) √2.√7+√2.2= √14+2 √2
b) √5.1 +√5.√5= √5+√25= √5+5
c) 3√2.√2+3√2.3 -2.√2-2.3= 3√4+9√2-2√2-6= 3.2+7√2-6=6+7√2-6= 7√2