Question

Suppose the direction cosines of
two lines are given by
al + bm + cn=0 and
fmn + gln + hlm = where
1.8,h,a,b,c are arbitrary constants
and ',m,' are direction cosines of
the lines. On the both of the above
information answer the following
ADVANCED
For f =g=h=l both lines
satisfy the relation​

Answer 1

Answer:

I don't know

Step-by-step explanation:

I don't know