Ex 8.4, 2 (iv) - Chapter 8 Class 8 Algebraic Expressions and Identities

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Ex 8.4, 2 (iv) - Find (p^2 - q^2) (2p + q) - Chapter 9 Class 8 - Ex 8.4

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Ex 8.4, 2 Find the product. (iv) (𝑝^2 −𝑞^2 ) (2𝑝 + 𝑞) (𝑝^2 −𝑞^2 ) (2𝑝 + 𝑞) = 𝑝^2 (2𝑝+𝑞)−𝑞^2 (2𝑝+𝑞) = (𝑝^2 × 2𝑝)+(𝑝^2 × 𝑞)−(𝑞^2 × 2𝑝)−(𝑞^2 × 𝑞) = 𝟐𝒑^𝟑+𝒑^𝟐 𝒒−𝟐𝒑𝒒^𝟐−𝒒^𝟑

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