Math, asked by surendragupta, 1 year ago

factorise a^3+b^3+a+b

Answers

Answered by abdul143
6

( {a}^{3}  +  {b}^{3} ) + a + b \\  {a}^{3}  +  {b}^{3}  + 3ab \: (a + b) \:  + a + b \\  {a}^{3}  +  {b}^{3}  + 3 {a}^{2} b + 3ab^{2}  + a + b \\( a + b) | {a}^{2} +  {b}^{2} + 3ab + 3ab + 1  |  \\ (a + b) | {a}^{2} +  {b}^{2}  + 2(3ab) + 1 | \\ (a + b) | {a}^{2}  +  {b}^{2} + 6ab + 1 |
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