Question

Evaluate and using identities ( a^2 - b^2 ) ^ 2 ​

Answer 1

Answer:

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

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

a^4 + b^4 - 2a^2×b^2

Answer 2

Answer:

(a^2-b^2)^2

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

(a-b)(a+b)(a-b)(a+b)

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