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The condition that the line (x-x1)/l=(y-...

The condition that the line `(x-x_1)/l=(y-y_1)/m=(z-z_1)/n` lies in the plane `ax+by+cz+d=0` is

A

`l+m+n=0`

B

`a+b+c=0`

C

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

D

`al+bm+cn=0`

Text Solution

Verified by Experts

The correct Answer is:
D
If the line is parallel to the plane then
`al+bm+cn=0`
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