Решите неравенство 49*7^x < 7^3x-3. Created by Madi12kz. matematika-ru

Решите неравенство 49*7^x

Madi12kz @Madi12kz

October 2021 1 8 Report

Решите неравенство 49*7^x < 7^3x-3

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Banabanana

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$49*7^x\ \textless \ 7^{3x-3} \\
7^2*7^x\ \textless \ 7^{3x-3} \\
7^{x+2}\ \textless \ 7^{3x-3} \\
x+2\ \textless \ 3x-3\\
3x-x\ \textgreater \ 2+3 \\ 
2x\ \textgreater \ 5\\
x\ \textgreater \ 2.5 \\\\
x \in (2.5; +\infty)$

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Madi12kz Спасибо!!!

Banabanana пожалуйста

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reshite neravenstvo 497x lt 73x 3d95e7ae6a95aafc5a63a4c64772a8dac 71704

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