2.1: Polynomials
2.1.1: Zeros of Polynomials
2.1.2: Relationships between zeros and coefficients of quadratic polynomials
2.1.3: Statement and Simple problems on division
2.2: Pair of Linear Equations in Two Variables
2.2.1: Pair of Linear Equations in Two Variables
2.2.2: Algebraic conditions for number of solutions
2.2.3: Solution of pair linear equations in two variable
2.2.4: Simple Situational Problems
2.2.5: Simple Problems on Equations reducible to linear to linear equations
2.3: Quadratic Equation
2.3.1: Standard form of a quadratic equation
2.3.2: Solutions of quadratic equations by factorization
2.3.3: Situational problems based on quadratic equations
2.4: Arithmetic Progression
2.4.1: Motivation for studying Arithmetic progression
2.4.2: Derivation of the n th term
2.4.3: Sum of the first n terms of A.P and their application