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Ex 9.4, 2 (iv) - Chapter 9 Class 8 Algebraic Expressions and Identities
Last updated at March 23, 2023 by Teachoo
Ex 9.4
Ex 9.4, 1 (i)
Ex 9.4, 1 (ii)
Ex 9.4, 1 (iii) Important
Ex 9.4, 1 (iv)
Ex 9.4, 1 (v) Important
Ex 9.4, 1 (vi) Important
Ex 9.4, 2 (i)
Ex 9.4, 2 (ii) Important
Ex 9.4, 2 (iii)
Ex 9.4, 2 (iv) Important You are here
Ex 9.4, 3 (i)
Ex 9.4, 3 (ii)
Ex 9.4, 3 (iii) Important
Ex 9.4, 3 (iv)
Ex 9.4, 3 (v) Important
Ex 9.4, 3 (vi)
Ex 9.4, 3 (vii) Important
Ex 9.4, 3 (viii)
Transcript
Ex 9.4, 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
