Q. 184.2( 44 Votes )

In triangle ABC (

Answer :

We know by triangle law of vectors,


…………..(1)


Therefore,


Hence (B) is true.


We know that


Putting in eq(1), we get



…….(2)


Hence (A) is also true.


Now,


Putting in eq(2)



Hence (D) is correct.


We are asked the option which is not true.


Therefore, the correct option is (C).


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