Предмет: Алгебра, автор: kablukevicrostik

4х^4-5x^2+1=0 за дискримінантом або теоремою вієста

Ответы

Автор ответа: Evgenia4836

1

Ответ:

Объяснение:

D= 25-16= 9

x²1= (5-3)/8= 1/4

x²2= (5+3)/8= 1

(x²-1/4)(x²-1)=0

x1= -0,5

x2= 0,5

x3= -1

x4= 1

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