MariH
MariH
03-05-2014
Mathematics
contestada
which expression is equivalent to x^4-y^4?
Respuesta :
Аноним
Аноним
03-05-2014
[tex]x^4-y^4=(x^2)^2-(y^2)^2=(x^2-y^2)(x^2+y^2)\\\\=(x-y)(x+y)(x^2+y^2)\\\\\\\\a^2-b^2=(a-b)(a+b)[/tex]
Answer Link
kate200468
kate200468
03-05-2014
[tex]x^4-y^4=(x^2)^2-(y^2)^2=(x^2-y^2)(x^2+y^2)=(x-y)(x+y)(x^2+y^2)[/tex]
Answer Link
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