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1.
2.
The distance of point (2, 5, 7) from the x-axis is
3.
P is a point on the line segment joining the points (3, 5, -1) and (6, 3, -2). If y-coordinate of point P is 2, then its x-coordinate will be
4.
Direction ratios of a line are 2, 3, -6. Then direction cosines of a line making obtuse angle with the y-axis are
5.
The equations of y-axis in space are
6.
If the direction cosines of a line are 
then value of k is
7.
Distance of plane 
from origin is