This video lecture from Sets, Functions and Groups (F.Sc. First year Mathematics) covers: Question numbers 9 and 10 of exercise 2.1. In these questions we find power set of given sets, find which pair of sets are equivalent and which of them are also equal. 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.