Question

calcula el cubo del binomio
$(n - \binom{2}{7} ) {3}^{}$

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Answer 1

Respuesta:

$(n - \frac{2}{7} )^3\\\\n^3 - 3(n)^2(\frac{2}{7} ) + 3(n)(\frac{2}{7} )^2 - (\frac{2}{7} )^3\\\\n^3 - \frac{6}{7}n^2 + 3n(\frac{4}{49} ) - \frac{8}{343}\\\\n^3 - \frac{6}{7}n^2 + \frac{12}{49}n - \frac{8}{343}$

Explicación paso a paso: