用换元法解方程(x-1/x)^2-3x+3/x+2=0时,x-1/x=y,则方程可转换为()
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![用换元法解方程(x-1/x)^2-3x+3/x+2=0时,x-1/x=y,则方程可转换为()](/uploads/image/z/655224-24-4.jpg?t=%E7%94%A8%E6%8D%A2%E5%85%83%E6%B3%95%E8%A7%A3%E6%96%B9%E7%A8%8B%28x-1%2Fx%29%5E2-3x%2B3%2Fx%2B2%3D0%E6%97%B6%2Cx-1%2Fx%3Dy%2C%E5%88%99%E6%96%B9%E7%A8%8B%E5%8F%AF%E8%BD%AC%E6%8D%A2%E4%B8%BA%EF%BC%88%EF%BC%89)
用换元法解方程(x-1/x)^2-3x+3/x+2=0时,x-1/x=y,则方程可转换为()
用换元法解方程(x-1/x)^2-3x+3/x+2=0时,x-1/x=y,则方程可转换为()
用换元法解方程(x-1/x)^2-3x+3/x+2=0时,x-1/x=y,则方程可转换为()
y^2-3y+2=0
(y-1)(y-2)=0
设x-1/x=y,则方程可转换为y^2-3y+2=0
(y-1)(y-2)=0
y1=1,y2=2
x-1/x=1或x-1/x=2