The co-ordinates of the point P are \[(x,y,z)\]and the direction cosines of the line OP when O is the origin, are \[l,\,m,\,n\]. If \[OP\], then

The co-ordinates of the point P are \[(x,y,z)\]and the direction cosin

1.	The co-ordinates of the point P are \[(x,y,z)\]and the direction cosines of the line OP when O is the origin, are \[l,\,m,\,n\]. If \[OP\], then
A.	\[l=x,\,m=y,\,n=z\]
B.	\[l=xr,m=yr,n=zr\]
C.	\[x=lr,\,y=mr,\,z=nr\]
D.	None of these
Answer» D. None of these

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The co-ordinates of the point P are \[(x,y,z)\]and the direction cosines of the line OP when O is the origin, are \[l,\,m,\,n\]. If \[OP\], then

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