(b)Find the ratio in which the join of the points P(2,-1,3) and Q(4,3,1) is divided by the point `(20/7,5/7,15/7)`.

Find the ratio in which the line joining the points (1,2,3) and (-3,4,-5) is divided by the xy-plane.

Find the ratio in which the line segment joining the points (2,4,-3) and (-3,5,4) is divided by XY Plane.

Find the ratio in which the line joining (2,3,5)(3,5,-4) is divided by the YZ plane.

(b)Find the coordinates of the point which divides the join of the points A(2,-1,3) and B(4,3,1)externally in the ratio 3:4.

Find the ratio in which the join of A(2,1,5) and B(3,4,3) is divided by the plane 2 x+2 y-2 z=1 .Also, find the coordinates of the point of division.

Find the ratio in which the line segment joining the points (2,4,-3) and (-3,5,4) is devided by XY Plane. And hence find the coordinate of the point.

In what ratio, the line joining (-1 , 1) and (5,7) is divided by the line x+y=4 ?

In what ratio the line joining (-1,1) and (5,7) is divided by the line x + y = 4 ?

Find the vector joining the points P(2,3,0) and Q(-1,-2,-4) . directed from P to Q .