[Ganita Prakash] Expand (a + b) (a + b) - Chapter 6 Class 8 - Teachoo - Distributive Property

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Example 2 Expand (a + b) (a + b).Solving (a+b)(๐‘Ž+๐‘) =๐‘Ž(๐‘Ž+๐‘)+๐‘(๐‘Ž+๐‘) =๐‘Ž ร— ๐‘Ž+๐‘Ž ร— ๐‘+๐‘ ร— ๐‘Ž+๐‘ ร— ๐‘ =๐‘Ž^2+๐‘Ž๐‘+๐‘๐‘Ž+๐‘^2 Since ab = ba =๐‘Ž^2+๐‘Ž๐‘+๐‘Ž๐‘+๐‘^2 =๐’‚^๐Ÿ+๐Ÿ๐’‚๐’ƒ+๐’ƒ^๐Ÿ This is a common identity, (๐š+๐’ƒ)^๐Ÿ=๐’‚^๐Ÿ+๐Ÿ๐’‚๐’ƒ+๐’ƒ^๐Ÿ

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