Question

determine o valor de 1 = 81
3

Answer 1

Resposta:

(

3

1

)

x

=81

(\frac{1}{3})^x = 3^4(

3

1

)

x

=3

4

(3^{-1})^x=3^4(3

−1

)

x

=3

4

3^{-x}=3^43

−x

=3

4

-x = 4−x=4

\boxed{x=-4}

x=−4