an+λ |
2n |
an+1 |
n+1 |
an+λ |
2n |
a1+λ |
21 |
a2+λ |
22 |
a3+λ |
23 |
a2+λ |
22 |
a1+λ |
21 |
a3+λ |
23 |
an+1+1 |
2n+1 |
an+1 |
2n |
2an+2n+1+2 |
2n+1 |
an+1 |
2n |
an+1 |
2n |
a1+1 |
21 |
an+λ |
2n |
an+1 |
2n |
an+1 |
n+1 |
n+2 |
n+1 |
n+2 |
n+1 |
n+1+2 |
n+1+1 |
n+3 |
n+2 |
a1+1 |
1+1 |
A.bn=3n+1 | B.bn=2n+1 | C.bn=3n+2 | D.bn=2n+2 |
1 |
(an-1)(an+1) |
1 |
a |
1 |
b |
a+b |
a2+b2 |
A.
| B.-
| C.
| D.-
|
A.104 | B.78 | C.52 | D.39 |
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