Explicación paso a paso:
Binomio al cubo:
[tex](a + b {)}^{3} = {a}^{3} + 3 {a}^{2} b + 3a {b}^{2} + {b}^{3} [/tex]
Problema:
[tex](2 + 2y {)}^{3} = \\ {2}^{3} + 3( {2)}^{2} 2y + 3(2)( {2y)}^{2} + {(2y)}^{3} = \\ 8 + 24y + 24 {y}^{2} + 8 {y}^{3} [/tex]
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Explicación paso a paso:
Binomio al cubo:
[tex](a + b {)}^{3} = {a}^{3} + 3 {a}^{2} b + 3a {b}^{2} + {b}^{3} [/tex]
Problema:
[tex](2 + 2y {)}^{3} = \\ {2}^{3} + 3( {2)}^{2} 2y + 3(2)( {2y)}^{2} + {(2y)}^{3} = \\ 8 + 24y + 24 {y}^{2} + 8 {y}^{3} [/tex]