If line \[\frac{x-{{x}_{1}}}{l}=\frac{y-{{y}_{1}}}{m}=\frac{z-{{z}_{1}}}{n}\] is parallel to the plane \[ax+by+cz+d=0\], then [MNR 1995: MP PET 1995]

\[\frac{a}{l}+\frac{b}{m}+\frac{c}{n}=0\]

\[\frac{a}{l}=\frac{b}{m}=\frac{c}{n}\]

If line \[\frac{x-{{x}_{1}}}{l}=\frac{y-{{y}_{1}}}{m}=\frac{z-{{z}_{1}

1.	If line \[\frac{x-{{x}_{1}}}{l}=\frac{y-{{y}_{1}}}{m}=\frac{z-{{z}_{1}}}{n}\] is parallel to the plane \[ax+by+cz+d=0\], then [MNR 1995: MP PET 1995]
A.	\[\frac{a}{l}=\frac{b}{m}=\frac{c}{n}\]
B.	\[al+bm+cn=0\]
C.	\[\frac{a}{l}+\frac{b}{m}+\frac{c}{n}=0\]
D.	None of these
Answer» C. \[\frac{a}{l}+\frac{b}{m}+\frac{c}{n}=0\]

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If line \[\frac{x-{{x}_{1}}}{l}=\frac{y-{{y}_{1}}}{m}=\frac{z-{{z}_{1}}}{n}\] is parallel to the plane \[ax+by+cz+d=0\], then [MNR 1995: MP PET 1995]

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