Question

what is the answer for x^4+x^2y-Yx^2+y^4​

Answer 1

Step-by-step explanation:

ANSWER

x

4

+x

2

y

2

+y

4

=x

4

+2x

2

y

2

+y

4

−x

2

y

2

(Add and subtract x

2

y

2

)

=(x

2

+y

2

)

2

−x

2

y

2

=(x

2

+y

2

)

2

−(xy)

2

=(x

2

+xy+y

2

)(x

2

−xy+y

2

)

Answer 2

Now,x4+x2y2+y4=(x2)2+(y2)2+x2y2=(x2+y2)2−2x2y2+x2y2=(x2+y2)2−(xy)2=(x2+y2−xy)(x2+y2+xy).

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