解不等式0
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![解不等式0](/uploads/image/z/10911430-46-0.jpg?t=%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8F0)
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解不等式0
解不等式0
解不等式0
(1)
x-1/x>0
(x^2-1)/x>0
(x-1)(x+1)/x>0
故有:x>1或-1
x-1/x<1
x-1/x-1<0
(x^2-x-1)/x<0
(x-(1-根号5)/2)(x-(1+根号5)/2)/x<0
故有:x<[1-根号5]/2或0