Ex 8.4, 1 (v) - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at Dec. 16, 2024 by

Ex 8.4, 1 (v) - Multiply (2pq + 3q^2) and (3pq - 2q^2) - Class 8 - Ex 8.4

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Ex 8.4, 1 Multiply the binomials. (v) (2𝑝𝑞 + 3𝑞^2 ) and (3𝑝𝑞 – 2𝑞^2 ) (2𝑝𝑞 + 3𝑞^2 )(3𝑝𝑞 – 2𝑞^2 ) = 2𝑝𝑞(3𝑝𝑞−2𝑞^2 )+3𝑞^2 (3𝑝𝑞−2𝑞^2 ) = (𝟐𝒑𝒒 × 𝟑𝒑𝒒)−(𝟐𝒑𝒒 × 𝟐𝒒^𝟐 )+(𝟑𝒒^𝟐 × 𝟑𝒑𝒒)−(𝟑𝒒^𝟐 × 𝟐𝒒^𝟐 ) = 6𝑝^2 𝑞^2−4𝑝𝑞^3+9𝑝𝑞^3−6𝑞^4 = 𝟔𝒑^𝟐 𝒒^𝟐+𝟓𝒑𝒒^𝟑−𝟔𝒒^𝟒

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