Question

determinar o valor x para o qual (1/3)elevado a x =3

Answer 1

      (1/3)^x = 3

             (3^-1)x = 3^1

            3^-x = 3^1

                        -x = 1(-1)
             x = - 1

Answer 2

$\frac{1}{3} ^x= 3$

$(3^{-1})^x= 3^1\\3^{-x}=3^1\\-x=1\\x=-1$