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nosovadascha20
@nosovadascha20
July 2022
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Срочно!! Пожалуйста !Решите уравнение 9x^4+17x²-2=0.
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maslooo3
Заменяем х^2=t
9t^2+17t-2=0
t=1/9
t=-2
x^2=1/9
x^2=2
x=1/3
x=-1/3
Ответ:
x1=-1/3
x2=1/3
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nosovadascha20
спасибо
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Answers & Comments
9t^2+17t-2=0
t=1/9
t=-2
x^2=1/9
x^2=2
x=1/3
x=-1/3
Ответ:
x1=-1/3
x2=1/3