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12rus2011
@12rus2011
July 2022
2
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Помогите решить неравенство 1/х ≤ 2
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Bикacя
1/Х<_2
Х>_0,5
Х=\0
(-8;0,5]~(0;+8)
0 votes
Thanks 1
vlada5567
1/х<=2 умножаем 2 на х
1/х<=2х/х
убираем знаменатель
1-2х<=0
-2х<=-1 делим на - 2 ,знак меняется
х>=0,5
2 votes
Thanks 1
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Answers & Comments
Х>_0,5
Х=\0
(-8;0,5]~(0;+8)
1/х<=2х/х
убираем знаменатель
1-2х<=0
-2х<=-1 делим на - 2 ,знак меняется
х>=0,5