Find the equation of line passing from the points (2, 5, 6) and (1, 2, -10).

Using determinants find the equation of line passing from the points (2, 3) and (- 1, 2).

Using determinants find the equation of line pass passing from the points (2, 3) and ( 6, 10).

Using determinants find the equation of line passing from the points (1, 4) and ( - 1, 2).

Find the equation of plane passing from the point A (2, -1, 1 ) B (4, 3, 2) and C (6, 5, -2). Also prove that point (5 , -1 , (-25)/2 ) lies on the plane given by points A, Band C.

Find the equation of a plane passing through the points (1,1,2) and (1,0,-2) and parallel to the line (x-1)/(1)=(y-2)/(3)=(z-3)/(5)

Find the equation of plane passing through the points (1, 1, -1), (6, 4, -5) and (-4, -2 , 3).

Find the equation of a line passing through the points A(0, 6, -9) and B(-3,-6,3). If D is the foot of the perpendicular drawn from a point C(7,4,-1) on the line AB, then find the coordinates of the point D and the equation of line CD.