1.

Letveca = 2 hati+hatj-2hatk, vecb=hati+hatj. If vecc is a vector such that veca*vecc=vecc-veca=2sqrt(2) and the angle between |(veca xx vecb) xx vecc| equals:

Answer»

`(1)/(2)`
`(3sqrt(3))/(2)`
3
`(3)/(2)`

ANSWER :D


Discussion

No Comment Found