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In any DeltaABC, prove that a(bcosC-c ...

In any `DeltaABC`, prove that
`a(bcosC-c cosB)=(b^(2)-c^(2))`

A

`c^(2)-b^(2)`

B

`b^(2)-c^(2)`

C

`2(c^(2)-b^(2))`

D

`2(b^(2)-c^(2))`

Text Solution

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The correct Answer is:
B
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