Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Algebra Identities and Formulas
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Last updated at May 29, 2023 by Teachoo
Question 3 Find the following squares by using the identities. (ii) (𝑥𝑦+3𝑧)^2 (𝑥𝑦+3𝑧)^2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 𝑥𝑦 & 𝑏 = 3𝑧 = (𝑥𝑦)^2+(3𝑧)^2+2(𝑥𝑦)(3𝑧) = (𝑥^2×𝑦^2 )+(3^2×𝑧^2 )+(2×3)×(𝑥×𝑦×𝑧) = 𝒙^𝟐 𝒚^𝟐+𝟗𝒛^𝟐+𝟔𝒙𝒚𝒛