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8a3+b3+12 a2b+6ab2

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8a3+b3+12 a2b+6ab2
  • 2 answers

Rashmi Bajpayee 8 years, 3 months ago

{tex}8{a^3} + {b^3} + 12{a^2}b + 6a{b^2}{/tex}

{tex}{\left( {2a} \right)^3} + {\left( b \right)^3} + 3{\left( {2a} \right)^2}\left( b \right) + 3\left( {2a} \right){\left( b \right)^2}{/tex}

{tex}{\left( {2a + b} \right)^3}{/tex}

Devendra Prajapati 8 years, 3 months ago

Here a3 + b3 =a3+b3+3a2b+3ab2 So, (2a" 3+b"3+3x2a"2xb+3x2axb"2) 8a3+b3+12a"2b+6ab"2. Ans
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