The direction cosines of the line joining the points (1, 2, -3) and (-2, 3, 1) are-

The direction cosines of the line joining the points (-1, -1, -1) and (2, 3, 4) are,

What is the sum of the squares of direction cosines of the line joining the points (1,2,-3) and (-2,3,1) ?

What is the sum of the squares of direction cosines of the line joining the points (1,2,-3) and (-2,3,1)?

The direction cosines of the line joining the points (- 2, 1, 0) and (3, 2, 1) are,

Find the direction cosines of the line joining the points (1,1,-3) and (-2,-3,2)

The direction cosines of the line joining the points (-2, 4, -5) and (1, 2, 3) is :

Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from A to B .

Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from A to B .