Предмет: Математика, автор: ismievafarida

дана бесконечная геометрическая прогрессия, q=-2, b7=512 найти b1

Ответы

Автор ответа: Dgenny12

bn+1=2bn следовательно q = 2

b7=4*q^6

b7=4*64=256

Если что не так,поправьте,буду любезна.

Автор ответа: ismievafarida

спасибо!

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