Question

решите пожалустаа срочно

Answer 1

Ответ:

$= = = log_{7}(98 \times \frac{1}{2} ) = = = log_{7}49 = = = = log_{7}7 {}^{2} = = = 2 log_{7}7 = = = = 2 \times 1 = = = 2.$