Using determinant find the straight line passing through the points (3,1) and (9,3).

Using determinant find the equation of the straight line passing through the points A(1,2) and B(3,6).

Find the equation of the straight line passing through the points (-2, 3) and (6, -4).

Find the equation of the line passing through the points (1,3) and (-2,-1).

Find the equation of the straight line passing through the point (i) (3, 5) and parallel to the line 4x - 3y + 1 = 0

Find the equation of the straight line passing through the point (3, 2) and the point of intersection of the lines 3x + 2y - 1 = 0 and x - 3y + 5 = 0.

Find the direction cosines of the strating line passing through the point P (7, -5, 10) and Q (8, -3, 8).

Find the equation of the straight line passing through the point (2, 3) and parallel to the straight line joining the points P(3, -4) and Q(-5, 6).

Find the equation of the straight line passing through the point (ii) (2, -3) and perpendicular to 4x - 5y + 9 = 0

Find the equation of the straight line passing through the point (i) (-1, 2) and parallel to 3x - 4y + 1 =0

Find the equation of the straight line passing through the point (ii) (1, -5) and perpendicular to the line 2x + 5y + 4 = 0