Question

Геометрическая прогрессия

Answer 1

$c3 = c1 \times {q}^{2} \\ c6 = c1 \times {q}^{5} \\ \\ c1 \times {q}^{2} = 150 \\ c1 \times {q}^{5} = 18750 \\ \\ {q}^{3} = 125 \\ q = 5$
Ответ: 5