Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If `veca,vecb` and `vecc` are unit coplanar vectors, then the scalar triple product `[2veca-vecb,2vecb-vecc,2vecc-veca]` is equal to - Sarthaks eConnect

If `veca,vecb` and `vecc` are unit coplanar vectors, then the scalar triple product `[2veca-vecb,2vecb-vecc,2vecc-veca]` is equal to:

If `veca,vecb` and `vecc` are unit coplanar vectors, then the scalar triple product `[2veca-vecb,2vecb-vecc,2vecc-veca]` is equal to:

A.

0

B.

1

C.

`–sqrt3`

D.

`sqrt3`

Solution

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Best answer

As `veca,vecb,vecc` are coplanar vectors , `2veca-vecb,2vecb-vecc` and `2vecc-veca` are also coplanar vectors .

Thus `[2veca-vecb,2vecb-vecc,2vecc-veca]=0`