Question

Factorizar el polinomio x^4 - y^-4

Answer 1

$({x}^{2} ) {}^{2} - (y {}^{ - 2} ) {}^{2}$

$(x {}^{2} + y {}^{ - 2} )(x {}^{2} - (y {}^{ - 1} ) {}^{2} )$

$(x {}^{2} + y {}^{ - 2} )(x + y { }^{ - 1} )(x - y { }^{ - 1} )$