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If x-1/x= -1, find the value of x^2+1/(x...

If `x-1/x= -1,` find the value of `x^2+1/(x^2)`

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`x-1/x=-1`
squaring both side we have,
`x^2+1/(x^2)-2=1`
`x^2+1/(x^2)=3`
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