1.

If a, band c are unit coplanar vectors, then [2a-b, 2b-c, 2c-a] is equal to

Answer»

1
0
`-sqrt3`
`sqrt3`

Solution :`because` a,B and C are coplanar vectors , so `2a-b, 2b-c` and `2c-a` are ALSO coplanar .Thus , `[2a-b2b-c2c-a]=0` .


Discussion

No Comment Found

Related InterviewSolutions