Question

O valor de x no logaritmo log1/2 64 = x é:

A) -6
B) -5
C) 2
D) 5
E) 6

Answer 1

Vamos là.

log1/2(64) = x

x = -log(64)/log(2)

x = -log(2^6)/log(2) = -6

alternativa A