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Ex 14.2, 2 (vi) - Factorise 9x^2 y2 - 16 - Chapter 14 Class 8

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Ex 14.2, 2 Factorise. (vi) 9𝑥^2 𝑦^2 – 16 9𝑥^2 𝑦^2 – 16 = 〖(3𝑥𝑦)〗^2 − (4)^2 Using 𝑎^2− 𝑏^2 = (a + b) (a − b) Here a = 3𝑥𝑦 and b = 4 = (𝟑𝒙𝒚+𝟒) (𝟑𝒙𝒚 − 𝟒)

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.