Factorise x4+x2y2+y4
Answers
Answered by
15
x4+x2y2+y4=x4+y4+x2y2
[x4+y4+2(x2y2)]-x2y2
(x2+y2)^2-(xy)^2
(x2+y2-xy)(x2+y2+xy)
Similar questions