摘要:设数列{an}满足: (1)求a2.a3,(2)令.求数列{bn}的通项公式, (3)已知.求证:. 参考答案 1-5 CCBDD 6-10 CCAAC 11-12 CB
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设数列{an}满足:a1=1,an+1=
(1+4an+
)(n∈N*)
(1)求a2,a3;
(2)令bn=
,求数列{bn}的通项公式;
(3)已知f(n)=6an+1-3an,求证:f(1)•f(2)…f(n)>
.
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| 1 |
| 16 |
| 1+24an |
(1)求a2,a3;
(2)令bn=
| 1+24an |
(3)已知f(n)=6an+1-3an,求证:f(1)•f(2)…f(n)>
| 1 |
| 2 |
设数列{an}满足:a1=1,an+1=
(1+4an+
)(n∈N*)
(1)求a2,a3;
(2)令bn=
,求数列{bn}的通项公式;
(3)已知f(n)=6an+1-3an,求证:f(1)•f(2)…f(n)>
.
查看习题详情和答案>>
| 1 |
| 16 |
| 1+24an |
(1)求a2,a3;
(2)令bn=
| 1+24an |
(3)已知f(n)=6an+1-3an,求证:f(1)•f(2)…f(n)>
| 1 |
| 2 |