1 |
an-t |
an |
(n+1)2 |
1 |
an-t |
an-1 |
t(an-1-t) |
an-1-t+t |
t(an-1-t) |
1 |
t |
1 |
an-1-t |
1 |
an-t |
1 |
an-1-t |
1 |
t |
1 |
an-t |
1 |
an-t |
1 |
t |
1 |
an-t |
1 |
a1-t |
1 |
t |
n |
t |
t |
n |
an |
(n+1)2 |
| ||
(n+1)2 |
t |
n(n+1) |
1 |
n |
1 |
n+1 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
n |
1 |
n+1 |
1 |
n+1 |
nt |
n+1 |
1 |
6 |
A.-2 | B.-
| C.2 | D.
|
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