Question

(bn) - геометрическая прогрессия 72；12；2... Найти: g и b6 ​

Answer 1

$q = \frac{b_{2}}{b_{1}} = \frac{12}{72} = \frac{1}{6}$

$b_{6} = b_{1} \times {q}^{5} = 72 \times \frac{1}{7776} = \frac{72}{7776} = \frac{1}{108}$