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( a- b) ^(2) cos ^(2) ""(C ) /(2) + ( a+...

` ( a- b) ^(2) cos ^(2) ""(C ) /(2) + ( a+b) ^(2) sin ^(2) "" ( C )/(2) = `

A

c

B

`c//2`

C

`2c`

D

`c^(3)`

Text Solution

Verified by Experts

The correct Answer is:
D
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