Ex 8.4, 3 (iii) - Chapter 8 Class 8 Algebraic Expressions and Identities
Last updated at Dec. 16, 2024 by Teachoo
Multiplication of Polynoimals by Polynomials
Multiplying Binomial by a Binomial
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Chapter 8 Class 8 Algebraic Expressions and Identities
Concept wise
- Basic Definitions
- Addition and Subtraction of Algebraic Expressions
- Multiplication of Monomials
- Multiplication of Monomials by Binomials and Trinomials
-
Multiplication of Polynoimals by Polynomials
- Algebra Identities - Identity I
- Algebra Identities - Identity II
- Algebra Identities - Identity III
- Algebra Identities - Identity IV
Transcript
Ex 8.4, 3 Simplify. (iii) (𝑡+𝑠^2 ) (𝑡^2−𝑠) (𝑡+𝑠^2 ) (𝑡^2−𝑠) = 𝑡(𝑡^2−𝑠)+𝑠^2 (𝑡^2−𝑠) = (𝒕 × 𝒕^𝟐 )−(𝒕 × 𝒔)+(𝒔^𝟐 × 𝒕^𝟐 )−(𝒔^𝟐 × 𝒔) = 𝑡^3−𝑡𝑠+𝑠^2 𝑡^2−𝑠^3 = 𝒕^𝟑−𝒔𝒕+𝒔^𝟐 𝒕^𝟐−𝒔^𝟑
