Resolver (x)^(2)+1\div(x)^(2)-1 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$${ x }^{ 2 } +1 \div { x }^{ 2 } -1$$