已知数列{a n }满足a n+1 =
1个回答
由方程a
n+1
=f(a
n
)得a
n
=
,
解得a
n
=0,或a
n
=−1,或a
n
="1" .……2分
略
相关问题
已知数列{ a n }满足: a 1 = , a n +1 = ( n ∈N * ).
已知数列(an)满足:a1-1,a2-a(a>0),数列(bn)满足bn=ana(n+1)(n∈N)
已知数列﹛an﹜满足a₁=1,a﹙n+1﹚=2a﹙n﹚+n+1,n∈N
已知数列{a n }中a 1 = 3 5 ,a n =2- 1 a n-1 (n≥2,n∈N*),数列{b n },满足
已知数列{a n }满足a 1 = 1 11 , a n+1 = a n 1-2 a n (n∈N * ).
已知数列{a n }满足: (n∈N*,a∈R,a为常数),数列{b n }中, .
已知数列{a n }满足:a 1 =1;a n+1 -a n =1,n∈N * ,数列{b n }的前n项和为S n ,
已知数列{a n }满足:a 1 =1;a n+1 -a n =1,n∈N * .数列{b n }的前n项和为S n ,
已知数列{an}满足a1=1,an=a(n-1)+1/a(n-1)(n≥2,n∈N*)
已知数列{an}满足a1=1,a(n+1)=sn+(n+1)