Question

O valor da expressão log2 0,5 + log3 $\sqrt{3}$ + log4 8 é:

A) 1
B) -1
C) 0
D) 2
E) 0,5

Answer 1

Ola Cadu 

log2(1/2) = -log2(2) = -1

log3(√3) = log3(3)/2 = 1/2

log4(8) = log(8)/log(4) = log(2^3)/log(2^2) = 3/2 

-1 + 1/2 + 3/2 = -1 + 2 = 1 (A)