This video lecture from Quadratic Equations (F.Sc. first year Mathematics) covers: Solution of exercise no 4.3 (continued). In this exercise the questions solved are reduction from radical equations to quadratic equations. The extraneous roots to a radical equation are also explained in detail. 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.