Math, asked by wwwkeshavagarwal, 14 days ago

factorise x4 + y4 - 3x² y²
answer in steps

Answers

Answered by pranaysmaske

3

Answer:

x4+y4-3x2y2

= x4+y4-2x2y2-x2y2

=( x2-y2)2-(xy)2

=(x2-y2+xy)(x2-y2-xy)

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