Question

x⁴ y⁴ + x² - y² factorise the following with identities​

Answer 1

Answer:

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

Answer 2

Answer:

1. x^2y^2

Step-by-step explanation:

x^4y^4 - x^2 - y^2

=x^2y^2