Question

Which of the following is the correct expansion of the given identity?
$(a^2-b^2)$

• A. $(a+b)(a-b)$
• B. $(a+b)(a+b)$
• C. $(-a+b)(a-b)$
• D. $(a+b)(-a-b)$

Answer 1

The correct option is A $(a+b)(a-b)$

The expansion of the identity,
$(a^2-b^2)=(a+b)(a-b)$