f(1) |
g(1) |
f(-1) |
g(-1) |
f(n) |
g(n) |
15 |
16 |
A.
| B.
| C.
| D.
|
f(x) |
g(x) |
2f(1) |
g(1) |
f(-1) |
g(-1) |
1 |
2 |
f(x) |
g(x) |
1 |
2 |
f(n) |
g(n) |
1 |
2 |
15 |
16 |
f(1) |
g(1) |
f(2) |
g(2) |
f(k) |
g(k) |
1 |
2 |
1 |
2 |
1 |
2 |
| ||||
1-
|
1 |
2 |
15 |
16 |
6 |
10 |
3 |
5 |
an |
2 |
| ||
2an |
1 |
3 |
1 |
2n |
321 |
64 |
1 |
2 |
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