This video lecture from Vectors (F.Sc.second year Mathematics) covers: Question 7-9 of exercise 7.2. In these questions we find a vector whose magnitude is given and is parallel to a given vector. We also show that three given vectors form three sides of a triangle. By using vector method we also showed two vectors parallel. 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.