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NCERT Solutions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities Exercise 9.3 and other exercises are given in the form of pdf in this article. Exercise 9.3 is based on the multiplication of algebraic expressions, completing product tables, and simplifying algebraic expressions.
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Examples From Chapter 9 Algebraic Expressions and Identities
| Ex.1 Find the product of xy, yz, zx Soln: The product can be calculated as (xy) × (yz) × (zx) = (x × x) × (y × y) × (z × z) = x2 × y2 × z2 = x2y2z2 Ex.2 Find the product using a suitable identity : (3xy – 5)2 Soln: Applying the identity (a – b)2 = a2 – 2ab + b2 We get, (3xy – 5)2 = (3xy)2 –2 × 3xy × 5 + (5)2 = 9x2y2 – 30xy + 25 |
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| Class 8 Chapter 9 Algebraic Expressions and Identities | ||
|---|---|---|
| Algebraic Identities | Polynomials | Cubic Polynomials |
| Degree of Polynomial | Algebra Symbols | Roots of Polynomials |
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| CBSE Class 8 Maths Study Guide | ||
|---|---|---|
| Maths Formula | Maths Study Notes | Maths MCQs |
| Number System | NCERT Solutions for Class 8 Maths | Difference Between in Maths |
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