If the line, (x - 3)/2 = (y + 2)/(- 1) = (z + 4)/3 lies in the planes, lx+my-z=9, then l² + m² is equal to:

Three Dimensional Geometry: JEE Main 2016 Mathematics question

JEE Main 2016 · Session, Shift 1 · Q2396

JEE Main 2016Session, Shift 1MathematicsEasyThree Dimensional Geometry249× since 2002

If the line,

{{x - 3} \over 2} = {{y + 2} \over { - 1}} = {{z + 4} \over 3}\,

lies in the planes,

lx+my-z=9,

then

{l^2} + {m^2}

is equal to :

JEE Main 2016 · Session, Shift 1 · Q2396

JEE Main 2016Session, Shift 1MathematicsEasyThree Dimensional Geometry249× since 2002

If the line,

{{x - 3} \over 2} = {{y + 2} \over { - 1}} = {{z + 4} \over 3}\,

lies in the planes,

lx+my-z=9,

then

{l^2} + {m^2}

is equal to :