Question

(a + b)^2 - (a - b)^2​

Answer 1

Answer:

Step-by-step explanation:

First of all expand it like-

a^2 +b^2+ 2ab-[a^2+b^2 - 2ab]

now pen the brackets and solve u will get

4ab as answer

Answer 2

Answer:

a^2 - b^2

Step-by-step explanation:

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