हल करना ((y)^(2)-4y-5)/((y)^(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

$$\frac{ { y }^{ 2 } -4y-5 }{ { y }^{ 2 } -1 }$$