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kamillakurganova16
@kamillakurganova16
July 2023
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Розв'яжiть рiвняння: 1) x⁴-24x²-25= 0; 2) x²+ 5x/x-1 = 6/x-1 черти это дроби
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Аккаунт удален
тут будет метод замены переменной в 1 примере
1.t^2-24t-25=0
t(t+1)-25t-25=0
t=-1
t=25
x^2=-1
x^2=25
x^2≠-1
x^2=-5
x^2=5
x1=-5
x2=5
1 votes
Thanks 1
Аккаунт удален
ща еще решу погоди
kamillakurganova16
спасибо!!!
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1.t^2-24t-25=0
t(t+1)-25t-25=0
t=-1
t=25
x^2=-1
x^2=25
x^2≠-1
x^2=-5
x^2=5
x1=-5
x2=5