anan1an1an2的精選

問題詳情：數列{an}中,an＞0,且{anan+1}是公比爲q(q＞0)的等比數列,滿足anan+1+an+1an+2＞an+2an+3(n∈N*),則公比q的取值範圍是(   )A.0＜q＜                                      ...