若数列an满足a(n+1)≤f(an)(n为正整数),数列bn满足bn=an/2n+1.是证明b+b2+.+bn≤1/2
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)
已知数列bn,满足b1=1,b2=5,bn+1=5bn-6bn-1(n≥2),若数列an满足a1=1,an=bn(1/b
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
an=2*3^n-1 若数列bn满足bn=an+(-1)^n*ln(an),求数列bn前n项和Sn
18、一道数列题已求出数列An=2n.若数列Bn满足B(n+1)=Bn^2-(n-2)Bn+3,Bn大于等于1,证明:B
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)中,A1=1/3,AnA(n-1)=A(n-1)-An(n>=2),数列Bn满足Bn=1/An
已知数列an,bn,cn满足[a(n+1)-an][b(n+1)-bn]=cn
已知数列{an}满足an+Sn=n,数列{bn}满足b1=a1,且bn=an-a(n-1),(n≥2),试求数列{bn}
已知数列{an}的前n项和Sn=3×(3/2)^(n-1)-1,数列{bn}满足bn=a(n+1)/log3/2(an+
在数列{an}中,a1=1,an+1=[(n+1)/n]*an+2(n+1),设bn=an/n,(1)证明数列{bn}是
(2)若数列{bn}满足bn=an log2 an+1,求数列{bn}的前n项和Tn