(a+ b + c- d)^2-(a-b-c+d)^2 =?...

`(a+ b + c- d)^2-(a-b-c+d)^2` =?

A

`2a(a+b+c)`

B

`4a(b+d-e)`

C

`2a(b+c-d)`

D

`4a(b-d+c)`

Text Solution

Verified by Experts

The correct Answer is:

B

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