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mmakarova00
@mmakarova00
July 2022
1
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Срочноо.
Решите уравнения:
x^4=(4x-5)^2
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PlayMeek
X^2=4x-5 или x^2=-4x+5
x^2-4+5=0 x^2+4x-5=0
D=16-4*1*5<0 D=16-4*1*(-5)
D<0 - уравнение D=36
корней не имеет x1=(-4+6)/2=1
x2=(-4-6)/2=-5
Ответ:1;-5
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Answers & Comments
x^2-4+5=0 x^2+4x-5=0
D=16-4*1*5<0 D=16-4*1*(-5)
D<0 - уравнение D=36
корней не имеет x1=(-4+6)/2=1
x2=(-4-6)/2=-5
Ответ:1;-5