1 |
an+1 |
1 |
an |
1 |
2 |
an+1 |
2n+1 |
1 |
2 |
1 |
2 |
1 |
an+1 |
1 |
an |
1 |
an+1 |
1 |
an |
1 |
an+1 |
1 |
an |
1 |
an+1 |
1 |
4 |
1 |
an |
1 |
2 |
4 |
(2n-1)2 |
1 |
3 |
1 |
2 |
an+1 |
1 |
2n+1 |
bnbn+1 |
bn+2bn+1 |
2n+3 |
2n+1 |
bn+2 |
bn |
2n+1 |
2n+3 |
b2n+1 |
b2n-1 |
4n-1 |
4n+1 |
bn+2 |
bn |
2n+1 |
2n+3 |
1 |
3 |
1 |
3 |
5 |
7 |
4n-3 |
4n-1 |
3 |
5 |
7 |
9 |
4n-1 |
4n+1 |
4n-3 |
4n-1 |
4n-1 |
4n+1 |
1 |
2 |
an+1 |
1 |
2n+1 |
1 |
bnbn+1 |
1 |
bn+2bn+1 |
1 |
2 |
1 |
bn+2 |
1 |
bn |
1 |
2 |
1 |
b3 |
1 |
b1 |
1 |
b4 |
1 |
b2 |
1 |
bn+1 |
1 |
bn-1 |
1 |
2 |
1 |
b1 |
1 |
b2 |
1 |
bn+1 |
1 |
bn |
1 |
2 |
1 |
bn+1 |
1 |
bn |
|
2n+1 |
f(x) |
x |
a |
a+c |
b |
b+a |
c |
b+c |
A.b=
| B.b∈[
| C.b∈(1,
| D.b∈(
|
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