If the line joining the points (k,2,3),(1,1,2) is parallel to the line joining the points (5,4,-1),(3,2,-3) then k=

If the line joining the points (k,1,2),(3,4,6) is parallel to the line joining the points (-4,3,-6),(5,12,I) then (k,I)=

The line joining the points (1,-5) and (4,-3) is parallel to the line joining the points .

Determine the values of x and y so that the line joining the points A(x,3,11),B(1,1,-2) is parallel to the line joining the points C(2,5,3),D(-4,y,-6).

If the line joining the points (3, y), (2 ,7) is parallel to the line joining the points is (-1 ,4), (0, 6) then find the value of y.

Show that the line joining the points (4,5) and (1,2) is parallel to the line joining the points (9,-2) and (12,1) .

Find the value of y if the line joining the points (3, y) and (2, 7) in parallel to the line joining the points (-1, 4) , (0, 6) .

If the line joining the points A(2,3,-1) and B(3,5,-3) is perpendicular to the line joining the points C(1,2,3) and D(3,y,7) then y=

Show that the line joining the points (4,-1) and (-3,3) is parallel to the line joining the points (8,0) and (1,4) .

Show that the line joining the points A(4,8) and B(5,5) is parallel to the line joining the points C(2,4) and D(1,7).