Find the equation to the line through the point `(-4, -3)` and perpendicular to the line joining the points `(1, 3) and 2,7)`.

Find the equation of the line passing through the point (5,2) and perpendicular to the line joining the points (2,3) and (3,-1).

Find the equation of the plane passing through the point (1,2,1) and perpendicular to the line joining the points (1,4,2) and (2,3,5) . find also the perpendicular distance of the origin from this plane.

The equation of line passing through the point (-4,-5) and perpendicular to the line joining the points (1,2)and (5,6) is

Find the equation of the line passing through the point (1,-1,1) and perpendicular to the lines joining the points (4,3,2),(1,-1,0) and (1,2,-1),(2,1,1)

Find the equation of the line passing through the point P(4, -5) and parallel to the line joining the points A(3, 7) and B(-2, 4).

The equation of the plane passing through the point (-1, 2, 1) and perpendicular to the line joining the points (-3, 1, 2) and (2, 3, 4) is · · · · · ·

Find the equation of the plane passing through the point A (1,2,1) and perpendicular to the line joining the points P(1,4,2) and Q(2,3,5) . Also, Find also the perpendicular distance of the plane from te line : (x + 3)/(2) = (y - 5)/(-1) = (z - 7)/(-1) .

Equation of line passing through the point (2,-3) and perpendicular to the straight line joining the points (5,7) and (-6,3).