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selenamarigom
@selenamarigom
July 2022
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Решите биквадратное уравнение: 2x^4-17x^2+35=0 , 4x^4-13x^2+3=0
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Ellenochka
2х⁴-17х²+35=0
D=289-4*2*35=9
x²=3,5 u x²=5
x₁=-√3,5; x₂=√3,5; x₃=-√5; x₄=√5
D=169-4*4*3=121
x²=0,25 u x²=3
x₁=-0,5; x₂=0,5; x₃=-√3; x₄=√3
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Answers & Comments
D=289-4*2*35=9
x²=3,5 u x²=5
x₁=-√3,5; x₂=√3,5; x₃=-√5; x₄=√5
D=169-4*4*3=121
x²=0,25 u x²=3
x₁=-0,5; x₂=0,5; x₃=-√3; x₄=√3