若{an}是等比数列,an>0(n属于N*),且a3*a6*a9=4,则log2(a2)+log2(a4)+log2(a8)+log2(a10)=

问题描述:

若{an}是等比数列,an>0(n属于N*),且a3*a6*a9=4,则log2(a2)+log2(a4)+log2(a8)+log2(a10)=