Example 11 - Using the Identity (I), find (i) (2x + 3y)^2 (ii) 103^2

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Example 11 Using the Identity (I), find (i) (2๐‘ฅ+3๐‘ฆ)^2 (2๐‘ฅ+3๐‘ฆ)^2 (๐‘Ž+๐‘)^2=๐‘Ž^2+๐‘^2+2๐‘Ž๐‘ Putting ๐‘Ž = 2๐‘ฅ & ๐‘ = 3๐‘ฆ (๐‘Ž+๐‘)^2=๐‘Ž^2+๐‘^2+2๐‘Ž๐‘ Putting ๐‘Ž = 2๐‘ฅ & ๐‘ = 3๐‘ฆ

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