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Natalia7908
@Natalia7908
July 2022
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4 - х^2>0
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sedinalana
Verified answer
(2-x)92+x)>0
x=2 x=-2
_ + _
------------(-2)------------(2)--------------------
x∈(-2;2)
0 votes
Thanks 0
жека480
4-х^2>0
-х^2>-4/:(-1)
х^2<4
х1=√4. х1=2
х2=-√4. х2=-2
х€(-2;2)
х€(-2;2) - насчет этой строки не уверен
2 votes
Thanks 1
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Answers & Comments
Verified answer
(2-x)92+x)>0x=2 x=-2
_ + _
------------(-2)------------(2)--------------------
x∈(-2;2)
-х^2>-4/:(-1)
х^2<4
х1=√4. х1=2
х2=-√4. х2=-2
х€(-2;2)
х€(-2;2) - насчет этой строки не уверен