\({5^x}{.8^{\frac{{x - 1}}{x}}} = 500\)
A.\(\left[ \begin{array}{l}{x_1} = 3\\{x_2} \approx 0,43\end{array} \right.\)
B.\(\left[ \begin{array}{l}{x_1} = - 3\\{x_2} \approx - 0,43\end{array} \right.\)
C.\(\left[ \begin{array}{l}{x_1} = 3\\{x_2} \approx - 0,43\end{array} \right.\)
D.\(\left[ \begin{array}{l}{x_1} = - 3\\{x_2} \approx 0,43\end{array} \right.\)