Question

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

Answer 1

Answer:

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

Step-by-step explanation:

anserw is :- -4X²Y²

Answer 2

Answer

AnswerSince, (a+b)(a−b)=a2−b2

AnswerSince, (a+b)(a−b)=a2−b2     ∴(x2+y2)(x2−y2)=(x2)2−(y2)2=x4−y4

AnswerSince, (a+b)(a−b)=a2−b2     ∴(x2+y2)(x2−y2)=(x2)2−(y2)2=x4−y4     ⇒ Option A is correct.