If x-1-x-1- find the value of x2-1-x2-

X 1/x= 1 Squaring both sides, (x 1/x )^2=( 1)⇒ x^2+1/x^2 2=1 ∴ x^2+1/x^2=1+2=3 ...

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Algebraic Identities

If x-1/x=-1, ...

Question

If $x - \frac{1}{x} = - 1,$ find the value of $x^{2} + \frac{1}{x^{2}}$ .

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