Q 1563234145.     The two lines `x = my + n, z = py + q` and
`x = m'y + n', z = p' y + q'` are perpendicular
to each other, if

VIT 2015
A

`mm' + pp' =1`

B

`m/m' + p/p' =-1`

C

`m/m' + p/p' =1`

D

`mm' + pp' =-1`

HINT

These equations can be rewritten as ` (x-n)/m = (y-0)/1 = (z-q)/(p)` ` (x-n')/m' = (y-0)/1 = (z-q')/(p')`

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

Today's Score

0
Success Rate: NAN %

Practice & Test

Sr. No.SubjectTagCorrectRecorded Answer