Find the value of (dy)/(dx) in the simpl...

Find the value of `(dy)/(dx)` in the simplest form when
`y=(1)/(4sqrt(2))"log"(1+xsqrt(2)+x^(2))/(1-xsqrt(2)+x^(2))+(1)/(2sqrt(2))"tan"^(-1)(xsqrt(2))/(1-x^(2))`

Verified by Experts

The correct Answer is:

`(1)/(1+x^(4))`

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