Question

9. Simplify.
(x² - y²)²+4x²y²​

Answer 1

Answer:

Answer is in form of image. pls refer it

Step-by-step explanation:

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Answer 2

Answer:

(x^2-y^2)^2=(x^2)^2+(y^2)^2-2*x^2*y^2

=x^4+y^4-2*x^2*y^2

then,

=x^4 +y^4-2*x^2*y^2+4*x^2*y^2

=x^4 +y^4+2*x^2*y^2

=(x^2 +y^2)^2