{An}是等比数列,A2A3A4=8,则A1AB3A4A5等于多少?
问题描述:
{An}是等比数列,A2A3A4=8,则A1AB3A4A5等于多少?
答
A2A3A4=8,那么A3=2,所以A1A2A3A4A5=32
{An}是等比数列,A2A3A4=8,则A1AB3A4A5等于多少?
A2A3A4=8,那么A3=2,所以A1A2A3A4A5=32