Предмет: Математика, автор: GerkulesAvatar

Найдите корень уравнения (1/5)^5-x=125 Решите плз поэтапно

Ответы

Автор ответа: nafanya2014
47
 ( \frac{1}{5} )^{5-x}=125 \\  \\( 5 ^{-1} )^{5-x}=125  \\  \\ ( 5  )^{-5+x}=5 ^{3}   \\  \\ -5+x=3 \\  \\ x=3+5 \\  \\ x=8
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