Question

sejam a,b e c tres numeros reais tais que log(a) (b)= c
o valor de log(a) (ab) é?

a) a^c
b)1+c
c)1-c
d)a+b.c
e)a+c

Answer 1

$log_{a}(b) = c$

$log_{a}(a.b) = log_{a}(a) + log_{a}(b) \\ = 1 + c$

Letra b