Respostas

2014-04-02T14:21:10-03:00
B) (∛9) ²= [9^(1/3)]²
= 9^(2/3)

c) (4 √5)^3= 64. [5^(1/2)]³
= 64. 5^(2/3)

d) (√2+√3)= (√2)²+ 2.(√2).(√3)+ (√3)²
= 2+ 2. √6+ 3
= 5+ (2. 6^(1/2)