Examples
Last updated at August 13, 2026 by Teachoo
Transcript
Example 11 Using the Identity (I), find (i) (2𝑥+3𝑦)^2 (2𝑥+3𝑦)^2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 2𝑥 & 𝑏 = 3𝑦 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 2𝑥 & 𝑏 = 3𝑦