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In triangleABC, (a-b)^(2)cos^(2)((C)/(2)...

In `triangleABC, (a-b)^(2)cos^(2)((C)/(2))+(a+b)^(2)sin^(2)((C)/(2))`

A

`b^(2)`

B

`c^(2)`

C

`a^(2)`

D

`a^(2)+b^(2)+c^(2)`

Text Solution

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The correct Answer is:
B
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