rezolvati, dau coroană ❗

[tex]\it A=\dfrac{log_4x^4\cdot x^5}{log_5x^4\cdot x^5}=\dfrac{log_4x^9}{log_5x^9}=\dfrac{9log_4x}{9log_5x}=\dfrac{log_4x}{log_5x}[/tex]