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datorostov
@datorostov
July 2022
2
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Решите уравнение. Не получается у меня(
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Rechnung
Verified answer
..................................
1 votes
Thanks 1
datorostov
спасибо огромное!!!!!!!!!!!!!!!!!!!
mmb1
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-x²+1
-2/x+1/x
²=0
x<>0
-x⁴+x²-2x+1=0
(x-1)²-(x²)²=0
(x-1-x²)(x-1+x²)=0
x²+x-1=0
D=1+4=5
x12=(-1+-√5)/2
-x²+x-1=0
x²-x+1=0
D=1-4=-3 <0 решений в действительных числах нет
ответ (-1+-√5)/2
1 votes
Thanks 1
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Answers & Comments
Verified answer
..................................Verified answer
-x²+1-2/x+1/x²=0x<>0
-x⁴+x²-2x+1=0
(x-1)²-(x²)²=0
(x-1-x²)(x-1+x²)=0
x²+x-1=0
D=1+4=5
x12=(-1+-√5)/2
-x²+x-1=0
x²-x+1=0
D=1-4=-3 <0 решений в действительных числах нет
ответ (-1+-√5)/2