Salut,
[tex]\dfrac{log_532-log_52}{log_54}=\dfrac{log_5\left(\dfrac{32}2\right)}{log_54}=\dfrac{log_516}{log_54}=\dfrac{log_5(2^4)}{log_5(2^2)}=\dfrac{4\cdot log_52}{2\cdot log_52}=2.[/tex]
Ai înțeles rezolvarea ?
Green eyes.
