Question

ALGUEM SABE COMO RESOLVER?

Answer 1

${3}^{xy} = {3}^{ {y}^{x} }$

Logo

${4}^{x} \\ ({2}^{x} ) {}^{2} \\ {3}^{2} \\ 9$

${8}^{x} \times {3}^{ - y} \\ \\ ({2}^{x}) {}^{3} \times \frac{1}{ {3}^{y} } \\ \\ (3 {)}^{3} \times \frac{1}{4} \\ \\ \frac{9}{4}$