Question

(a2+b2) (a2+b2) - (a2-b2) (a2-b2)
how to solve pls answer

Answer 1

Answer:

4a^2b^2

Step-by-step explanation:

(a^2+b^2)(a^2+b^2)-(a^2-b^2)(a^2-b^2)

=(a^2+b^2)^2-(a^2-b^2)^2

=(a^2+b^2+a^2-b^2)(a^2+b^2-a^2+b^2)

=(2×a^2)(2×b^2)

=4×a^2×b^2