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Ex 14.2, 2 (i) - Factorise 4p^2 - 9q^2 - Chapter 14 Class 8 - Teachoo

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Ex 14.2, 2 Factorise. (i) 4𝑝^2 – 9𝑞^2 4𝑝^2 – 9𝑞^2 = (2𝑝)^2−(3𝑞)^2 Using 𝑎^2−𝑏^2=(𝑎+𝑏)(𝑎−𝑏) Here 𝑎=2𝑝 and 𝑏=3𝑞 = (𝟐𝒑+𝟑𝒒) (𝟐𝒑−𝟑𝒒)

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