已知向量p=(n,1/2n -1),q=(In(1+1/n),1), (n∈N*),数列{an}满足an=pxq,求证a
已知数列{an}满足an+1=2an+n+1(n∈N*).
已知数列{an}满足a1=1,an=2a下标(n-1)+2^n(n≥2,n∈N*) (1)求证数列{an/2^n}是等差
已知数列{an}满足an+an+1=2n+1(n∈N*),求证:数列{an}为等差数列的充要条件是a1=1.
已知数列{an}满足a1=33,a(n+1)-an=2n,求an/n的最小值
已知数列{an}满足a1=1,a(n+1)=2an+1.求证(1)数列a(n+1)是等比数列;(2)求an
已知数列{an}满足a1=312,且3an+1=an(n∈N*,n≥1)
1.已知数列{An}满足A1=1,An= 2A(n-1)+2(n∈N,且N≥2)
如果数列an满足a{n+1}=pan+q(p,q为常数),则称an为"H数列".已知数列an的前n项和为Sn,若Sn=2
已知正项数列[an}满足:a1=3,(2n-1)an+2=(2n+1)an-1+8n^2(n>1,n∈N*)求数列{an
在数列{An}中,已知An+A(n+1)=2n (n∈N*)
已知数列(An)满足A1=1 An+1=3An 数列(Bn)前n项和Sn=n*n+2n+1
已知数列an满足,a1=1,an>0且a(n+1)×更号下(4+1/an^2)=1(n∈N+)