已知数列{an}满足a1=1,an+1-an=2n,(n∈Ν
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=2,an+2=an+an+12,n∈N*.
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
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}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=5 An+1=2An+3(n∈N*),令Bn=An-3n
已知数列{an}满足an+1=an+3n+2,且a1=2,求an.
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}
设数列{an}满足an+1/an=n+2/n+1,且a1=2
已知数列(an)满足a1=1,an+1=2an/an+2(n∈N*) 求a2,a3,a4,a5 猜想数列(an)的通项公
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