已知数列{an}满足a1=2a,an=2a-a²/an-1(n≥2)其中a是不为0的常数,令bn=1/an-a
已知数列an满足a1=2a,an=2a-a^2/an-1(n≥2)其中a是不为0的常数.求数列an的通项公式
已知数列{an}满足a1+a/4,(1-an)a(n+1)=1/4,令bn+an-1/2 求证数列{1/bn}为等差数列
已知数列{an}满足a1=4,an=4-4/a(n-1)(n≥2),令bn=1/ an-2.1、求证:数列{bn}是等差
已知数列{an},如果数列{bn}满足b1=a1,bn=an+a(n-1)则称数列{bn}是数列{an}的生成数列
已知数列an和bn满足a1=2,(an)-1=an[a(n+1)-1],bn=an-1,n属于N*
数列{an} {bn}满足:a1=0 a2=1 a(n+2)=[an+a(n+1)]/2 bn=a(n+1)-an 求证
已知各项均为正数的数列{an}满足(an+1)²-an+1×an-2an²=0,且a3+2是a2,a
【紧急--高一数学】已知数列{an}是首项a1=a,公差为2的等差数列;数列{bn}满足2bn=(n+1)an
(高二数学)已知数列{an}是首项a1=a,公差为2的等差数列;数列{bn}满足2bn=(n+1)an
已知数列{an}是首项a1=a,公差为2的等差数列,数列{bn}满足2bn=(n+1)an
1.已知数列{an}是首项a1=a,公差为2的等差数列;数列{bn}满足2bn=(n+1)an.
已知数列(An)中,A1=1/3,AnA(n-1)=A(n-1)-An(n>=2),数列Bn满足Bn=1/An