Class-9 Maths Chapter-4 Exploring Algebraic Identities Ex. 4.4 Solution

Exercise 4.5 of Chapter 4, Exploring Algebraic Identities, helps students understand how algebraic identities are used to simplify and solve mathematical expressions. In this exercise, students learn to apply identities such as (a + b)², (a – b)², and (a + b)(a – b) to expand or factorise algebraic expressions. The solutions explain each step clearly, making it easier for students to follow the method and avoid mistakes. This exercise also improves calculation speed and develops logical thinking. By practising these questions, students become more confident in handling polynomials and preparing for higher-level algebra topics. The solutions are useful for homework, revision, and exam preparation, as they provide accurate and easy-to-understand explanations for every problem.