Question

Ayuden por favor, es urgente ​

Answer 1

$e = \frac{2 {}^{n + 3} + 2 {}^{n + 2} - 2 {}^{n + 1} }{2 {}^{n + 2} }$

$e = \frac{2 {}^{n} (2 {}^{3} + 2 {}^{2} - 2) }{2 {}^{n} \times 2 {}^{2} }$

$e = \frac{8 + 4 - 2}{4}$

$e = \frac{5}{2} = 2.5$