Question

(x^2+y^2)(x^2-y^2).​

Answer 1

Answer-

By using (a+b) (a-b) formula we get x^4-y^4

Answer 2

Answer:

x^4-y^4

Step-by-step explanation:

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

=x^4-y^4