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Let x=sqrt(3-sqrt5) and y=sqrt(3+sqrt5) ...

Let `x=sqrt(3-sqrt5) and y=sqrt(3+sqrt5)` If the value of the expression `x-y+2x^2y+2xy^2-x^4y+xy^4` can be expressed in the form `sqrtp+sqrtq` where `p. q in N,` then find the value of `(p+q).`

A

410

B

610

C

510

D

540

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