Question

Как решить? 25^1-log(5) 3

Answer 1

$25^{1-log_53}= \frac{25^1}{25^{log_53}}= \frac{25}{5^{2log_53}}= \frac{25}{5^{log_53^2}}= \frac{25}{5^{log_59}}= \frac{25}{9}$