This video lecture from Geometry (F.Sc.second year Mathematics) covers: Question number 13 and 14 of exercise 4.3. Question 13 is about finding the equation of line passing through a given point and perpendicular to the line whose slope is given. Question 14 is about finding the equation of line passing through a given point and parallel to the line whose slope is 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.