Предмет: Математика, автор: dimamister237

В геометрической прогрессии b1 = −1/3 , q = -3. Найти b4.
Выберите один ответ: 9 -27 1/9 1

Ответы

Автор ответа: as11111

5

Ответ: 9

Пошаговое объяснение:

$b_4=b_1*q^3=-\frac{1}{3}*(-3)^3=9$

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