If `I` be the incentre of the triangle `ABC` and `a, b, c` be the lengths of the sides then the force `a vec(IA) + b

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Q 2251112924.     If `I` be the incentre of the triangle `ABC` and `a, b, c` be the

lengths of the sides then the force `a vec(IA) + b vec(IB) + c vec(IC )` is

equals to
A

`-1`

B

`2`

C

`0`

D

None of these

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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