Question

resolva:
e)
$( \frac{1}{729}^{ - 2x} = 27$

Answer 1

• Exponencial

→ Iguale as bases, para igualar os expoentes

$(\frac{729}{1})^{2x} = 27 \\ \\ (3^{6})^{2x} = 3^{3}\\ \\ 3^{12x} = 3^{3}$

12x = 3

x = 3/12

x = 1/4

$\boxed{\underline{\mathsf{Resposta\to } { \frac{1}{4}}}}$