已知数列{an}满足a1=1,(2n+5)an+1-(2n+7)an=4n2+24n+35(n∈N*),则数列{an}的
已知数列{an}满足a1=1,(2n+5)(an+1)-(2n+7)an=4n^2+24n+35(n∈N+),则数列an
已知数列{an}满足a1=1,an+1=2an/(an+2)(n∈N+),则数列{an}的通项公式为
已知数列{an}满足an+1=2an+n+1(n∈N*).
已知数列{an}中,a1=1,满足an+1=an+2n,n属于N*,则an等于
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,an+1-an=2n 则求an/n的最小值
一道【数列】解答题已知数列{an}满足an/an-1=(n+1)/(n-1),(n∈N*,n>1),a1=2注意:an-
已知数列{an}满足a1=0,an+1+Sn=n2+2n(n∈N*),其中Sn为{an}的前n项和,则此数列的通项公式为
已知数列{an}满足a1=2,an+1-an+1=0(n∈N+),则此数列的通项an等于( )
已知数列{an}满足:a1=3,an+1=(3an-2)/an ,n∈N*.(Ⅰ)证明数列{(an-1)/an-2
已知数列{An}满足A1=0.5,A1+A2+…+An=n^2An(n∈N*),试用数学归纳法证明:An=1/n(n+1