Question

Sabendo que log a= 5, log b=3 e log c=2, calcule:
a)log (bc)
c) log (ac³)
d) log (abc)

Answer 1

De acordo com as propriedades dos logaritmos, temos:

A) $log (b*c)-logb+logc =3+2=5$

B) $log(a* c^{3} )=loga+log c^{3} =loga+3*logc=5+3*2=5+6=11$

C) $log(a*b*c)=loga+logb+logc=5+3+2=10$