若等比数列{an}满足anan+1=16^n则公比为?

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若等比数列{an}满足anan+1=16^n则公比为?若等比数列{an}满足anan+1=16^n则公比为?若等比数列{an}满足anan+1=16^n则公比为?即a1a2=16^1a2a3=16^2

若等比数列{an}满足anan+1=16^n则公比为?
若等比数列{an}满足anan+1=16^n则公比为?

若等比数列{an}满足anan+1=16^n则公比为?
即a1a2=16^1
a2a3=16^2
相除
a3/a1=16
即q²=16
且a1a2=16>0
所以q>0
q=4

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