Предмет: Математика, автор: jdushiy

log(3)7*log(7)5*log(5)4+1
помогитее срочно

Ответы

Автор ответа: SRT1905
1
log_3 7 * log_7 5 * log_5 4 +1 = \frac{log_7 5}{log_7 3} * log_5 4 +1= log_3 5 * log_5 4 +1=\\= \frac{log_5 4}{log_5 3 } +1=log_3 4 +1=log_3 12
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