Product analysis of x^4+x^2y^2+y^4
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Step-by-step explanation:
x4+x2y2+y4=x4+2x2y2+y4−x2y2 (Add and subtract x2y2)
=(x2+y2)2−x2y2
=(x2+y2)2−(xy)2
=(x2+xy+y2)(x2−xy+y2)
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