I want to factorize $X^4-Y^2$ in $\mathbb{Q}[X,Y]$ in irreducible factors.
I thought about using Eisenstein's criterium to show that it is irreducible, though I'm not sure what the prime element is in this case. What would that be?
2026-04-06 10:15:11.1775470511
Factorizing $X^4-Y^2$ in $\mathbb{Q}[X,Y]$
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$X^4-Y^2=(X^2-Y)(X^2+Y)$ is the factorization