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N2. Ratio and proportion
N5. Algebraic expressions and formulae
5.12. Use of : (i) (a + b)² = a² + 2ab + b², (ii) (a – b)² = a² -2ab + b², (iii) a² – b ²= (a + b)(a – b) 2 Quizzes
5.16. Addition and subtraction of algebraic fractions with linear or quadratic denominators (Express) 3 Quizzes
N6. Functions and graphs
N7. Equations and Inequalities