Предмет: Алгебра, автор: Kazbek777

Записаны несколько последовательных членов геометрической прогрессии: -8;-2;x;-1/8; найдите член прогрессии обозначенный буквой x.

Ответы

Автор ответа: lerooch

q=b2/b1

q=-2/-8=0,25

b3=b1*q^2

b3=-8*1/16=-0,5

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