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Factor.....


How can i factor A^4 + 3 + y^2 (A,y reals) for example with
Mathematica.....?


(
In order to have:
(A^2 + SQRT(y^2+3) + A·SQRT(2*SQRT(y^2+3))) · (A^2 + SQRT(y^2+3) -
A·SQRT(2*SQRT(y^2+3)))
)

(
OR:
(y^2 - i·SQRT(A^4+3)) · (y^2 + i·SQRT(A^4+3))
)


Thanks....


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