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The value of (x^3-3x+(x^2+1)sqrt(x^2-4-2...

The value of `(x^3-3x+(x^2+1)sqrt(x^2-4-2))/(x^3-3x+(x^2-1)sqrt(x^2-4+2))`is

A

`((x+1)sqrt(x-2))/((x+1)sqrt(x+2))`

B

`((x+1)sqrt(x+2))/((x+1)sqrt(x+2))`

C

`((x-1)sqrt(x-2))/((x+1)sqrt(x+2))`

D

`((x-1)sqrt(x+2))/((x+1)sqrt(x-2))`

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