NCERT Solutions for Class 8 Maths Chapter 9

Class 8 Maths Chapter 9 Algebraic Expressions and Identities all exercises in English Medium as well as Hindi Medium are given below to download in PDF form. All the solutions are done properly considering the latest CBSE Syllabus 2020-21.

In Chapter 9 Algebraic Expression and Identities, we have to learn about the fundamental terms like factors, coefficients, monomial, binomial, trinomial and all other polynomials, like and unlike terms in an algebraic expression, additions and subtractions of expressions taking like terms aside. Multiplications of two or three monomial and the multiplication of a monomial or binomial with a polynomial. Simplification of different polynomials using various identities. The following are the some standard identities:
1. (a – b)² = a² – 2ab + b²
2. (a + b)² = a² + 2ab + b²
3. (a + b)(a – b) = a² – b²

किसी भी बीजीय व्यंजक का गुणनखंड करने के लिए या सरल करने के लिए, सर्वसमिकाओं की विशेष आवश्यकता होती है। सर्वसमिकाएँ, व्यंजकों का गुणनखंड बनाने तथा गुणनखंड दो सरल करने में सहयोग देती है। बीजीय व्यंजक को सरलतम रूप में समझने के लिए हमें लगभग सभी सरसमिकाएँ याद होनी चाहिए।