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Ira0202
@Ira0202
August 2022
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помогите!решить уравнение по алгебре 10 класс
(3/(x^2-2x+1))+2/(1-x^2)=1/(x+1)
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Answers & Comments
kisonix
3/(1-x)²+2/[(1-x)(1+x)=1/(x+1)
ОЗ (1-x)²(1+x)≠0⇒x≠1 ; x≠-1
3*(1+x)+2(1-x)=1*(1-x)²
1-2x+x²-3-3x-2+2x=0
x²-3x-4=0
x1+x2=3 U x1*x2=-4
x1=-1не удов усл
х2=4
Ответ х=4
2 votes
Thanks 1
sedinalana
Verified answer
.........................................
1 votes
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Answers & Comments
ОЗ (1-x)²(1+x)≠0⇒x≠1 ; x≠-1
3*(1+x)+2(1-x)=1*(1-x)²
1-2x+x²-3-3x-2+2x=0
x²-3x-4=0
x1+x2=3 U x1*x2=-4
x1=-1не удов усл
х2=4
Ответ х=4
Verified answer
.........................................