Q 1287212187.     Direction cosines of a line satisfy the relation `λ ( l + m ) = n , mn + nl + lm = 0`. Value of `λ` , for which the two lines are perpendicular to each other is

A

`-1`

B

`2`

C

`1//2`

D

`1`

Find instant solution to any question from our database of 1.5 Lakh + Questions

 


Access free resources including


Engineering


Medical


Banking


DEFENCE


SSC


RRB


CBSE-NCERT


OLYMPIAD


0
Success Rate: NAN %
Sr. No.SubjectTagCorrectRecorded Answer