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даниил17868
@даниил17868
July 2022
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решите систему уравнений 5х^2+y=12 и 9x^2-y=2
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miron2077
Verified answer
5х²+у=12
9х²-у=2
сложим
14х²=14
х²=1
х₁=1 х₂=-1
у₁=12-5х²=7 у₂=12-5х²=7
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Answers & Comments
Verified answer
5х²+у=129х²-у=2
сложим
14х²=14
х²=1
х₁=1 х₂=-1
у₁=12-5х²=7 у₂=12-5х²=7