Question

efectua: (x+y)(x-y) (x^2 +y^2) -y^4

Answer 1

Respuesta:

$x^{4} -2y^{4}$

Explicación paso a paso:

($(x^{2} -y^{2} )(x^{2} +y^{2} )-y^{4}$

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

$x^{4} -(y^{2})^{2} -y^{4}$

$x^{4} -y^{4} -y^{4}$

$x^{4}+(-y^{4}-y^{4})$

$x^{4} -2y^{4}$