Ответ:
[tex] log_{15}(3) + log_{15}(5) \\ log_{15}(3 \times 5) \\ log_{15}(15) \\ 1[/tex]
Проверка:
log15(3)+log15(5)=log(3)/log(15)+log(5)/log(15)=log(3*5)=log(15)/log(15)=1
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Ответ:
[tex] log_{15}(3) + log_{15}(5) \\ log_{15}(3 \times 5) \\ log_{15}(15) \\ 1[/tex]
Проверка:
log15(3)+log15(5)=log(3)/log(15)+log(5)/log(15)=log(3*5)=log(15)/log(15)=1