If the line joining the points (-1, 2, 3), (2, -1, 4) is perpendicular to the line joining the points (x, -2, 4), (1, 2, 3) then x =

If the line joining the points (2, 3, 4), (0, 1, 2) is perpendicular to the line joining the points (x, 0, 4), (7, -4, 3) then x =

If the line joining the points (2, 3, 4), (0,1,2) is perpendicular to the line joining the points (x, 0, 4), (7, -4,3) then x =

If the line joining the points (-1,2,3) (2,-1,4) is perpendicular to the line joining (x,-2,4) and (1,2,3) then x =

Show by vector method that the line joining the points (1, 4, 2) and (-1, 1, -2) is perpendicular to the line joining the points (2,-3, 4) and (5, 3, -2) .

Show by vector method that the line joining the points (1, 4, 2) and (-1, 1, -2) is perpendicular to the line joining the points (2,-3, 4) and (5, 3,-2) .

If the line joining the points A(4, 1, 2), B(5, x, 0) is parallel to the line joining the points P(2, 1, 1), Q(3, 3, -1) then x =

The line joining the points (2, x) and (3, 1) is perpendicular to the line joining the points (x, 4) and (7, 5). The value of x is

Line joining the points (3,-4) and (-2,6) is perpendicular to the line joining the points (-3,6) and (9,-18).