Question

Problema 3 atasata va rog(teste de bac)

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

$\it log_{a^4}x-log_{a^2}x+log_a x=\dfrac{3}{4} \Rightarrow \dfrac{log_a x}{4}-\dfrac{log_ax}{2}+log_ax=\dfrac{3}{4}\Big|_{\cdot4} \Rightarrow \\ \\ \\ \Rightarrow log_ax-2log_ax+4log_ax=3 \Rightarrow3log_ax=3\Big|_{:3} \Rightarrow log_ax=1 \Rightarrow x=a$