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Танюsh
@Танюsh
July 2022
1
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решить уравнение X^4-11x^2+18=0
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Радость25
Verified answer
Х^4-11х^2+18=0
D=121-18*4=121-72=49
(x1)^2=(11+7):2=18:2=9
x1=+-3
(x2)^2=(11-7):2=4:2=2
x2=+-√2
Ответ:+-3 ;+-√2.
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Answers & Comments
Verified answer
Х^4-11х^2+18=0D=121-18*4=121-72=49
(x1)^2=(11+7):2=18:2=9
x1=+-3
(x2)^2=(11-7):2=4:2=2
x2=+-√2
Ответ:+-3 ;+-√2.