1.

Cosine of the angle between the lines overliner=5hati-hatj+4hatk+lamda(hati+2hatj+2hatk)and overliner=7hati+2hatj+2hatk+mu(3hati+2hatj+6hatk)is

Answer»

0
`(1)/(2)`
`(19)/(21)`
`(1)/(3)`

Answer :C


Discussion

No Comment Found

Related InterviewSolutions