Предмет: Математика, автор: nickmir

log(a) x - log(a^2) x + log(a^4) x=3/4

Ответы

Автор ответа: IrkaShevko
0
log_ax - frac{log_ax }{2}  +frac{log_ax }{4}  =  frac{3}{4}
 frac{3log_ax }{4} =  frac{3}{4}
log_ax = 1
a^1 = x

x = a
Автор ответа: Newtion
0
displaystyle log_ax-log_{a^2}x+log_{a^4}x= frac{3}{4}

С помощью свойства логарифма, преобразовываем выражение:

displaystyle log_ax- frac{1}{2}log_ax+ frac{1}{4}  log_ax= frac{3}{4} \\ frac{3}{4} log_ax= frac{3}{4} \\log_ax=1\\a^1=x\\a=x
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