已知数列满足a1=1,√an-1 - √an = √anan-1 ,求an=
已知数列满足a1=1,根号an-1-根号an=根号anan-1,求an
已知数列an满足a1=1/2,anan-1=an-1-an,求数列an的通项公式
已知数列An 满足A1=1,且4An+1-AnAn+1+2An=9
已知数列{an}满足a1=1,an+1=2an+1(n∈N*). 若函数bn=anan+1,求数列
已知数列{an}中,a1=2,anan+1+an+1=2an
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
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
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
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}满足a1=1,An+1=an/1+2an(n属于N*) 问若若a1a2+a2a3+……+anan+1>1
已知数列(An)中,A1=1/3,AnAn-1=An-1-An(n>=2),数列Bn满足Bn=1/An,求数列Bn的通项