if x+1/x=2 find x-1/x
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Step-by-step explanation:
Given x+1/x=2
(a-b)^2 = (a+b)^2 - 4ab
So
(x-1/x)^2 = (x+1/x)^2 - (4)(x)(1/x)
=(x+1/x)^2-4
=4-4=0
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