Part 1 : Difference between Linear & Quadratic Equation, Forms of Quadratic Equation, Relation with Polynomial Expression

Part 2 : Quadratic Equation Factorisation Tricks, Zero Product Rule & Easy Finding of Roots 

Part 3 : Sridharacharya Formula (Quadratic Equation) Explained, Nature of Roots from Discriminant, How to solve Higher Degree Equation using Quadratic Equation