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In Delta ABC, (a + b+ c) (b + c -a) = kb...

In `Delta ABC, (a + b+ c) (b + c -a) = kbc` if

A

`k lt 0 `

B

`k gt 6 `

C

`0 lt k lt 4 `

D

`k gt 4 `

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The correct Answer is:
C
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