(x^2+2y)^3 answer my question
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\bf AB
(a + b)³ = a³ + b³ + 3ab(a + b)
Applying formula,
(x² + 2y)³
=> (x²)³ + (2y)³ + 6x²y(x + 2y)
=> x^6 + 8y³ + 6x³y + 12x²y²
Answered by
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\ʙғ ᴀʙ
(ᴀ + ʙ)³ = ᴀ³ + ʙ³ + 3ᴀʙ(ᴀ + ʙ)
ᴀᴘᴘʟʏɪɴɢ ғᴏʀᴍᴜʟᴀ,
(x² + 2ʏ)³
=> (x²)³ + (2ʏ)³ + 6x²ʏ(x + 2ʏ)
=> x^6 + 8ʏ³ + 6x³ʏ + 12x²ʏ²
(ᴀ + ʙ)³ = ᴀ³ + ʙ³ + 3ᴀʙ(ᴀ + ʙ)
ᴀᴘᴘʟʏɪɴɢ ғᴏʀᴍᴜʟᴀ,
(x² + 2ʏ)³
=> (x²)³ + (2ʏ)³ + 6x²ʏ(x + 2ʏ)
=> x^6 + 8ʏ³ + 6x³ʏ + 12x²ʏ²
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