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

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

A

`2x^2`

B

2x

C

x

D

`x^2`

Verified by Experts

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