已知实数x满足4x^2-4x+1=0,则代数式2x+1/2x

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已知实数x满足4x^2-4x+1=0,则代数式2x+1/2x已知实数x满足4x^2-4x+1=0,则代数式2x+1/2x已知实数x满足4x^2-4x+1=0,则代数式2x+1/2x4x^2-4x+1=

已知实数x满足4x^2-4x+1=0,则代数式2x+1/2x
已知实数x满足4x^2-4x+1=0,则代数式2x+1/2x

已知实数x满足4x^2-4x+1=0,则代数式2x+1/2x
4x^2-4x+1=0
完全平方公式
(2x-1)^2=0
2x-1=0
x=1/2
2x+1/(2x)
=2*1/2+1/(2*1/2)
=1+1
=2