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 1 Use a suitable identity to get each of the following products. (iii) (2𝑎 – 7) (2𝑎 – 7) (2𝑎−7) (2𝑎−7) = (2𝑎−7)^2 = (2𝑎)^2+(7)^2−2(2𝑎) (7) = (2^2×𝑎^2 )+49−(2×2×7)×𝑎 = 𝟒𝒂^𝟐+𝟒𝟗−𝟐𝟖𝒂