Question

Lɪsᴛ ᴀʟʟ ᴛʜᴇ Aʟɢᴇʙʀᴀɪᴄ ɪᴅᴇɴᴛɪᴛɪᴇs ​

Answer 1

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➟ (a+b)² = a² + b² + 2ab

➟ (a-b)² = a² + b² - 2ab

➟ a²- b² = (a+b)(a-b)

➟ 2(a²+ b²) = (a+b)²+(a-b)²

➟ a²+b² = (a+b)²-2ab

➟ (a+b+c)² = a²+b²+c +2ab+2bc+2ca

➟ (a-b-c)² = a²+b+c²-2ab+2bc-2ca

➟ (a+b)³ = a³+b³+3ab(a+b)

➟ (a-b)³ = a³-b³-3ab(a-b)

➟ a³+b³ = (a+b)(a²-ab+b²)

➟ a³-b³ = (a+b)(a²+b²-ab)

➟ (a+b+c)³ = a³+b³+c³+3(a+b)(b+c)(c+a)

Answer 2

Step-by-step explanation:

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