if x+1/x = 12 than find the value of x-1/x
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x+1=12x
1=11x
x=1/11
x-1/x=(1/11-1)/1/11
=(-10/11)/(1/11)
=-10
1=11x
x=1/11
x-1/x=(1/11-1)/1/11
=(-10/11)/(1/11)
=-10
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