Question

1) Aplica la regla del cubo de un binomio B) (1/2u -3)3

Answer 1

EXPLICACIÓN :

$( \frac{1}{2} - 3)^{3} = ( \frac{1}{2} )^{3} - 3( \frac{1}{2} )^{2} (3) + 3( \frac{1}{2} )(3)^{2} - (3) ^{3} \\ = \frac{1}{8} - (3)(\frac{1}{4})(3) + 3( \frac{1}{2} )(9) - 27 \\ = \frac{1}{8} - \frac{9}{4} + \frac{27}{2} - 27 \\ = \frac{ - 125}{8}$

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