Автор - baharovskaya

log x 7 + 2 log x 7 = 3

Ответ

Автор - 5tgb03

log x 7 + 2 log x 7  = 3 log x 7 = 3

3 log x 7 = 3

log x 7 = 1

x = 7

Ответ

Автор - QDominus
 log_{x}(7) + 2 log_{x}(7) = 3 \ 3 log_{x}(7) = 3 \ log_{x}(7) = 1 \ 7 = {x}^{1} \ x = 7

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