Question

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這題是我錯了嗎？還是解答給錯答案給2/x

1
設0<x<1,化簡 x+
X²
+2+
√x² +-
x²
(x+1)+(x-x)=2X
=
2X
2/N
x.

2).
FAR
[x²
X (√₂-1) + y ( 19
Crop by adjusting the corners 24 52-5
+
1
2x
(xx)+(x-x)==0X
+2+x² +
SOLVING STEPS
Simplify the expression
2
X
2 1
2
1
X + +2+ X + -2
Simplify
1
x²
2
X
Show Solving Steps →
2.
=

Answer 1

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欻

因為0<x<1，(x-1/x)會小於零，但根號內不能<0，所以要加負號讓它變正的