Question

решить уравнение
$(0.75) {}^{x - 1} = (1 frac{1}{3} ) {}^{2}$

Answer 1

$(0,75) ^{x - 1} = left(1 frac{1}{3}right) ^{2}$

$left( frac{3}{4} right) ^{x - 1} = left( frac{4}{3}right) ^{2}$

$left( frac{3}{4} right) ^{x - 1} = left( frac{3}{4}right) ^{-2}$

$x-1=-2$

$x=-2+1$

$x=-1$

Answer 2

спасибо

Answer 3

:)

Answer 4

https://znanija.com/task/30506223?