Question

SIMPLIFICANDO A EXPRESSAO 4 + √32 O RESULTADO SERA?
________
8
A) 1 +√2
________
2

B)2 + 2 √2
__________
2

C)1 + √2

D)2 + √2
________
2

E)√2
____
2

Answer 1

$= 4 + \sqrt{32} \\ \\ = 4 + \sqrt{2 {}^{5} } \\ \\ = 4 + 2 {}^{2} \times \sqrt{2} \\ \\ = 4 + 4 \sqrt{2} \\ \\ = 4(1 + \sqrt{2} )$