Ex 12.2
Last updated at Dec. 16, 2024 by Teachoo
Ex 12.2, 2 Factorise. (vi) 9𝑥^2 𝑦^2 – 169𝑥^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)