Question

(a+b)^2-(a-b) ^2 Plz answer fast​

Answer 1

Answer :-

➤ 4ab

Step By Step Explanation :-

➤ ( a+b)^2 - (a-b)^2

➤ a^2 + b^2 + 2ab-( a^2 + b^2 -2ab)

➤ a^2 + b^2 + 2ab - a^2 -b^2 + 2ab

➤ 4ab

Hope it will help uh!!

Answer 2

☆ To simplify:-

● (a+b)²-(a-b)²

☆ Identities used:-

=》 (a+b)² = a²+2ab+b².

=》 (a-b)² = a²-2ab+b².

☆ Now,

(a+b)²-(a-b)²

= (a²+2ab+b²) - (a²-2ab+b²)

= a²+2ab+b²-a²+2ab-b2

= 2ab+2ab

= 4ab.

Therefore (a+b)²-(a-b)² = 4ab.

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