Factorisation using identities
Last updated at Dec. 16, 2024 by Teachoo
Transcript
Ex 12.2, 2 Factorise. (iii) 49𝑥^2 – 3649𝑥^2 – 36 = (7𝑥)^2−(6)^2 Using 𝒂^𝟐−𝒃^𝟐=(𝑎+𝑏)(𝑎−𝑏) Here 𝑎=7𝑥 and 𝑏=6 = (𝟕𝒙+𝟔) (𝟕𝒙−𝟔)