Question

Найдите корень уравнения
(1/8)^x−5=64.

Answer 1

$( \frac{1}{8} )^{x - 5} = 64 \\ {8}^{ - (x - 5)} = 64 \\ log_{8}( {8}^{ - (x - 5)} ) = log_{8}( {8}^{2} ) \\ - (x - 5) = 2 \\ - x + 5 = 2 \\ - x = - 3 \\ x = 3$

Ответ: 3.

Answer 2

I hope this helps you