Question

plis ayudaa

(1+1/3) (1+1/4) (1+1/5)
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(1-1/3) (1-1/4) (1-1/5)

plis ayuda son fracciones y se divide al final

Answer 1

Explicación paso a paso:

$\frac{(1 + \frac{1}{3} )(1 + \frac{1}{4} )(1 + \frac{1}{5} )}{(1 - \frac{1}{3})(1 - \frac{1}{4} )(1 - \frac{1}{5} ) } = \\ \\ \frac{ (\frac{3 + 1}{3})( \frac{4 + 1}{4})( \frac{5 + 1}{5} ) }{(\frac{3 - 1}{3})( \frac{4 - 1}{4})( \frac{5 - 1}{5} )} = \\ \\ \frac{ \frac{4}{3} \times \frac{5}{4} \times \frac{6}{5} }{ \frac{2}{3} \times \frac{3}{4} \times \frac{4}{5} } = \frac{ \frac{120}{60} }{ \frac{24}{60} } = 2 \div \frac{2}{5} = \frac{10}{2} \\ \\ simplificamos \: y \: es \: = 5$