Question

Доказать тождество!Плз очень срочно!

Answer 1

$log(8) + log(2) + log( \frac{25}{4} ) = 2 \\ log(8 \times 2 \times \frac{25}{4} ) = 2 \\ log(2 \times 2 \times 25) = 2 \\ log(100) = 2 \\ log( {10}^{2} ) = 2 \\ 2 = 2$