Prove that the line `12x-5y-3` is mid parallel to the lines `12x-5y+7=0 and 12x-5y-13=0`

Prove that the line 12x-5y-3=0 is mid-parallel to the lines 12x-5y+7=0and 12x-5y-13=0

Prove that the line 12x-5y-3=0 is mid-parallel to the lines 12x-5y+7=0 and 12x-5y-13=0 .

The distance between the lines 5x-12y+65=0 and 5x-12y-39=0 is

Find the equations of the lines bisecting the angles between the lines 4x-3y+12=0 and 12x+5y=20 .

Find the equation of a straight line through the intersection of lines 7x+3y=10, 5x-4y=1 and parallel to the lines 13x+5y+12=0 .

The point on the curve y=x^3+5 , the tangent at which is parallel to the line 12x - y = 7 is

Show that the perpendiculars drawn from any point on the line 7x-9y=37 upon the two straight lines 12x+5y-4=0 and 3x+4y+7=0 are equal.

The distance between the lines 5x-12y+65=0 and 5x-12y-39=0 is :