Question

(2/3)^x×(9/8)^x=27/64. Через одз и прописать свойства

Answer 1

$( \frac{2}{3} ) {}^{x} \times ( \frac{9}{8} ) {}^{x} = \frac{27}{64}$

$( \frac{2}{3} \times \frac{9}{8} ) {}^{x} = \frac{27}{64}$

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

$x = 3$