This video lecture from Geometry (F.Sc. second year Mathematics) covers: Question number 24, 25 and 26 of exercise 4.3. In question 24 and 25 we have to find equation of a line passing through given points and parallel/perpendicular to the line whose equation is given. Question 26 is about finding the equations of two parallel lines which are perpendicular to the given line and the product of x and y intercepts of these parallel lines are given. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.