Question

Calcular o log de 8 na base 2 + log de 2 na base 2

Answer 1

$\log_28+\log_22= \\ \\ \log_22^3+\log_22= \\ \\ 3\log_22+\log_22= \\ \\ 3.(1)+1= \\ \\ 3+1=4 \\ \\ lembra~~que~~\log_aa=1$