This video lecture from Quadratic Equations (F.Sc. first year Mathematics) covers: The solution of Exercise no 4.4 (continued). Questions are solved related to the concept of finding the cube roots of different numbers in terms of cube roots of unity. 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.