[tex] 3^{x+1} + 3^{x-1} \ \textless \ 28[/tex]. Created by ОпытныйФизик. algebra-ru

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August 2022 1 15 Report

[tex] 3^{x+1} + 3^{x-1} \ \textless \ 28[/tex]

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iknowthatyoufeelbro 3^(x+1)+3^(x-1)<28
9*3^(x-1)+3^(x-1)<28
(9+1)*3^(x-1)<28
3^(x-1)<28/10
3^(x-1)<14/5
x-1 < log(3, 14/5)
x < 1 + log(3, 14/5)
x < log(3, 42/5)

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