If the straight line `(x-x_0)/l = (y-y_0)/m = (z-z_0)/n` is parallel to the plane `ax + by + cz + d = 0`, then which

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Q 2369134015.     If the straight line `(x-x_0)/l = (y-y_0)/m = (z-z_0)/n` is

parallel to the plane `ax + by + cz + d = 0`, then
which one of the following is correct?
NDA 2013 Paper 1
A

`I + m + n = 0`

B

`a + b + c = 0`

C

`a/l + b/m +c/n =0`

D

`al + bm + cn = 0`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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