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3 of the 4 expressions (1), (2), (3) and...

3 of the 4 expressions (1), (2), (3) and (4) given below are exactly equal. Which of the expression is not equal to the other three expressions?

A

`(A+B)^2 - 4AB`

B

`(A-B)^2 + 4AB`

C

`A^2 + B^2 - 4AB + 2AB`

D

`A^2 - B^2 + 2B (B-A)`

Text Solution

Verified by Experts

The correct Answer is:
B
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