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Mikailova28
@Mikailova28
July 2022
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Решите это уравнение срочно нужно
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paradiseva
Verified answer
(x^2 - 2) / (x - 1) = x / (1 - x)
(x^2 - 2) / (x - 1) - x / (1 - x) = 0
(x^2 - 2) / (x - 1) + x / (x - 1) = 0
(x^2 - 2 + x) / (x - 1) = 0
x^2 + x - 2 = 0 , x - 1 не =0, х не = 1
D = 1 - 4*1*(-2) = 9
x1 = (-1 + 3)/2 = 2/2 = 1 - не подходит
x2 = (-1 - 3)/2 = -4/2 = -2
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Answers & Comments
Verified answer
(x^2 - 2) / (x - 1) = x / (1 - x)(x^2 - 2) / (x - 1) - x / (1 - x) = 0
(x^2 - 2) / (x - 1) + x / (x - 1) = 0
(x^2 - 2 + x) / (x - 1) = 0
x^2 + x - 2 = 0 , x - 1 не =0, х не = 1
D = 1 - 4*1*(-2) = 9
x1 = (-1 + 3)/2 = 2/2 = 1 - не подходит
x2 = (-1 - 3)/2 = -4/2 = -2