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OlesyaLife
@OlesyaLife
August 2022
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Найдите корни уровнения: (2х-1)⁴-(2х-1)²-12=0 (помогите!!!)
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mikael2
(2х-1)⁴-(2х-1)²-12=0 (2x-1)²=z≥
0
z
²-z-12=0 z1=4 z2=-3 по т. Виета; z2<0 не подходит.
(2x-1)²=4
2x-1=2 2x=3
x=1.5
2x-1=-2 2x=-1
x=-0.5
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Answers & Comments
z²-z-12=0 z1=4 z2=-3 по т. Виета; z2<0 не подходит.
(2x-1)²=4
2x-1=2 2x=3 x=1.5
2x-1=-2 2x=-1 x=-0.5