Question

Sabendo que log a = 1/2 e log b = -1,calcule o valor de;
d) log a/b
e) log (ab)

Answer 1

$log(a)= \frac{1}{2} \\ log(b)=-1 \\ \\ d) log\frac{a}{b}=log(a)-log(b)= \frac{1}{2}-(-1)=\frac{1}{2}+1= \frac{3}{2} \\ \\ e)log(a.b)=log(a)+log(b)= \frac{1}{2}+(-1)= \frac{1}{2}-1=-\frac{1}{2}$