Factorisation using identities
Last updated at Dec. 16, 2024 by Teachoo
Transcript
Ex 12.2, 1 Factorise the following expressions. (iv) 49𝑦^2 + 84yz + 36𝑧^249𝑦^2 + 84yz + 36𝑧^2 = 〖(7𝑦)〗^2+84𝑦𝑧+〖(6𝑧)〗^2 = 〖(𝟕𝒚)〗^𝟐 + 𝟐 × 𝟕𝒚 × 𝟔𝒛+〖(𝟔𝒛)〗^𝟐 = 〖(7𝑦)〗^2 + 〖(6𝑧)〗^2+ 2 × 7𝑦 × 6𝑧 = 〖(𝟕𝒚+𝟔𝒛)〗^𝟐