Question

write the correct option from the following options
(a +b)-(a-b)^2 is equal to
(a) 4 ab
b. 2 ab
C None of these​

Answer 1

Answer:

The answer is a option A

Answer 2

Answer:

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

=a^2+b^2+2ab-a^2-b^2+4ab

=4ab

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