This video lecture from Vectors (F.Sc. second year Mathematics) covers: Question 1-6 of exercise 7.2. In these questions we solved some expressions of addition, subtraction and multiplication by using theorems of vectors. we also found magnitude and unit vector of given vector. 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.