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July 2022
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решите уравнение!
4у^2-49=0
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ТатМих
Verified answer
4у²=49
у²=
у=
у=
0 votes
Thanks 1
Elizaveta258
4у^2-49=0
(2y-7) (2y+7)=0
2y-7=0 или 2у+7=0
2у=7 2у=-7
у=7/2 у=-7/2
у=3,5 у=-3,5
Ответ: 3,5; -3,5
0 votes
Thanks 3
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Answers & Comments
Verified answer
4у²=49у²=
у=
у=
(2y-7) (2y+7)=0
2y-7=0 или 2у+7=0
2у=7 2у=-7
у=7/2 у=-7/2
у=3,5 у=-3,5
Ответ: 3,5; -3,5