Ex 12.2, 1 (iv) - Factorise 49y^2 + 84yz + 36z^2 - Ex 12.2 - Ex 12.2

Remove Ads

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

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.