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}满足a1=1,an+1=2an+1(n∈N*). 若函数bn=anan+1,求数列
已知数列{an}满足:a1=1,a2=a(a>0),数列{bn}满足:bn=anan+2(n∈N*)
已知数列an中,a1=2,an+1=an+2(n属于N*)数列bn满足bn=1/anan+1,求bn前十项和
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
数列an满足an+1=2an-1且a1=3,bn=an-1/anan+1,数列bn前n项和为Sn.求数列an通项an,
已知数列{an}满足a1=3,且an+1-3an=3n,(n∈N*),数列{bn}满足bn=3-nan.
已知数列{an}中,a1=1,anan+1=2n(n∈N*)
已知数列{an}中,a1=3/5,anan-1+1=2an-1(n>等于2,n属于N),数列{bn}满足bn=1/an-
已知数列{an}和{bn}满足关系式:bn=a1+a2+a3+...+an/n(n属于N*) (1)若bn=n^2,求数
已知数列{an}{bn}满足a1=1,a2=3,b(n+1)/bn=2,bn=a(n+1)-an,(n∈正整数),求数列
已知数列{an}满足a1=1,a2=2,an+2=(an+an+1)/2,n∈N*.令bn=an+1-an,证明{bn}
已知数列{an}满足a1=3,an+1−3an=3n(n∈N*),数列{bn}满足bn=an3n.