1.

Cosine of the angle between the lines whose vector equations are r=3i+2j-4k+lambda(i+2j+2k) and r=5i-2k+mu(3i+2j+6k),lambda,mu being parameters, is

Answer»

`-1//3sqrt(29)`
`3//7sqrt(29)`
`23//29`
`19//21`

ANSWER :D


Discussion

No Comment Found

Related InterviewSolutions