设a1=2,a2=4,数列{bn}满足:bn=a(n+1)-an,b(n+1)=2bn+2.
设a1=2,a2=4,数列{bn}满足:bn=a(n+1)-an,b(n+1)=2bn+2.
设A1=2,A2=4,数列{Bn}满足:Bn=A(n+1) –An,B(n+1)=2Bn+2.
急 设A1=2,A2=4,数列Bn满足:Bn=A(n+1)-An,B(n+1)=2Bn +2
急 设A1=2,A2=4,数列BN满足:Bn=A(n+1)-An,B(n+1)=2Bn+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),求数列
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{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
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
已知数列{an}满足:a1=1,a2=a(a>0),数列{bn}满足:bn=anan+2(n∈N*)
设数列an满足a1+3a2+3^2a3+……+3^(n-1)an=n/3,a是正整数,设bn=n/an,求数列bn的前n
求数列的第二小问已知数列an,bn满足a1=1,a2=2,b(n+1)=3bn,bn=a(n+1)-an &
设数列an,bn分别满足a1*a2*a3...*an=1*2*3*4...*n,b1+b2+b3+...bn=an^2,