Question

la cuarta diferencial de 1/2, 1/3 y 1/5

Answer 1

PROPORCIONES

PORPORCIÓN ARITMÉTICA

a-b=c-d

d: cuarta diferencial

$\frac{1}{2} -\frac{1}{3} =\frac{1}{5}-d\\\\\frac{3-2}{2(3)} = \frac{1-5d}{5(1)} \\\\\frac{1}{6} = \frac{1-5d}{5} \\\\\frac{5(1)}{6} =1-5d\\\\5=6(1-5d)\\\\5=6-30d\\\\5-6=-30d\\\\30d=1\\\\d=\frac{1}{30}$