Question

dados as log a=5, log b=3 e log c=2 calcule: a) log(a/c) ; b)log(a.c);

Answer 1

log a = 5
log b = 3
log c = 2

a)log(a/c) = log a - log c = 5 - 2 = 3

b)log(a.c) = log a + log c = 5 + 2 = 7