若数列{an}满足:anan+1an+2=8,且a1=1,a2=2,则a2012=( )
【高中数学数列】已知数列an满足a1=1,a2=2,且an=an-1/an-2 (n大于等于3)则a2012=?
如果数列{an}满足a1=2,a2=1,且(an-1-an)/(anan-1)=(an-an+1)/(anan+1)(n
已知数列{an}满足a1=2且anan+1-2an=0球a2,a3,a4的值
如果数列{an}满足a1=2,a2=1,且an−1−anan−1=an−an+1an+1(n≥2),则这个数列的第10项
已知数列An 满足A1=1,且4An+1-AnAn+1+2An=9
已知数列{an}和{bn}满足:a1=1,a2=2,an>0,bn=根号anan+1,且{bn}是以q为公比的等比数列.
已知数列{an}和{bn}满足a1=1,a2=2,an>0,bn=√anan+1,且{bn}是以q为公比的等比数列
在数列{an}中an=( 1)n(2n+1),则a1+a2+a3+a2012等于
已知数列An满足:a1=1,a2=a(a>0),数列Bn=AnAn+1 (1)若AN是等差数列,且B3=12,求...
已知数列{an}中,a1=3,a2=6,且An+2=An+1.那么A2012=?
数列{an}满足a1=1,a2=2,2an+1=an+an+2,若bn=1/anan+1,则数列{bn}的前五项和等于
已知数列{an}满足:a1=1,a2=a(a>0),数列{bn}满足:bn=anan+2(n∈N*)