Question

Write the formula of this (a+b)³=?

Answer 1

$Question:$

(a+b)³ = ?

$Answer:$ a³ + b³ + 3ab (a+b).

Thanks..

Answer 2

(a+b)³=a³+3a²b+3ab²+b³

$({a}^{3} + {b}^{3} ) = (a + b)( {a}^{2} - ab + {b}^{2} )$

${(a - b)}^{3} = {a}^{3} - 3 {a}^{2} b + {3ab}^{2} - {b}^{2}$

$( {a}^{3} - {b}^{3} ) = (a - b) ( {a}^{2} + ab + {b}^{2} )$

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