等比数列中,已知a5*a6=9,那么log(3)a1+log(3)a2+.+log(3)a10=,

问题描述:

等比数列中,已知a5*a6=9,那么log(3)a1+log(3)a2+.+log(3)a10=,

log(3)a1+log(3)a2+.+log(3)a10=
=5log(3)(a5*a6)
=10