Show that the line through points `(4,7,8)` and `2,3,4)` is parallel to the line through the points `(-1,-2,1)` and `(1,2,5)dot`

Show that the line thorugh the points (4,7,8) and (2,3,4) is parallel to the line through the points (-1,-2,1) and (1,2,5) .

Show that the line through the points (4,7,8),(2,3,4) is parallel to the line through the points (-1,-2,1) (1,2,5)

Show that the line through the point (4, 7, 8) and (2, 3, 4) is parallel to the line through the points (-1, -2, 1) and (1, 2, 5).

Show that the line through the points (5, 6) and (2, 3) is parallel to the line through the points (9,-2) and (6,-5).

Show that the line through the points (1,-1,2) and (3,4-2) is perpendicular to the line through the points (0,3,2) and (3,5,6).

The value of 'p' such that the line passing through the points (-4,p)and (1,3) is parallel to the line passing through the points (-2,5)and (8,7) is

Show that the line through the points (1,-1,2),(3,4,-2) is perpendicular to the line through the points (0,3,2) and (3,5,6)

Show that the line through the points (-2,6) and (1,7) is perpendicular to the line through the points (3,-3) and (5,-9).

Show that the line through the points (-2, 6) and (4, 8) is perpendicular to the line through the points (3,-3) and (5,-9).

Show that the line thorugh the points (1,-1,2) and (3,4,-2) is perpendicular to the line through the points (0,3,2)andf (3,5,6).