Автор - dkomarova2017

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

Ответ

Автор - QDominus

( 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.

Ответ

Автор - Mirage86

I hope this helps you

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