Question

(2/3) la x ori 9/8=27/64​

Answer 1

Răspuns:

Explicație pas cu pas:

$(\dfrac{2}{3})^x*\dfrac{9}{8} =\dfrac{27}{64} ,~~=>~(\dfrac{2}{3})^x= \dfrac{27}{64}:\dfrac{9}{8},~~=>~(\dfrac{2}{3})^x= \dfrac{27}{64}*\dfrac{8}{9},~~=>~(\dfrac{2}{3})^x= \dfrac{3}{8},~~=>~x=log_{\frac{2}{3} }\dfrac{3}{8}.$