1 |
2 |
x-y |
1-xy |
1 |
2 |
2an |
1+an2 |
1 |
2log2|f(an+1) |
m |
15 |
0-0 |
1-0×0 |
0-y |
1-0•y |
2an | ||
1+
|
f(an+1) |
f(an) |
1 |
2 |
1 |
2n |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
n |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
2n+1 |
1 |
2 |
1 |
n+1 |
1 |
n+2 |
1 |
2n+1 |
1 |
2 |
1 |
n+1 |
1 |
n+2 |
1 |
2n+1 |
1 |
2 |
1 |
n+2 |
1 |
n+3 |
1 |
2n+3 |
1 |
2 |
1 |
2n+2 |
1 |
2n+3 |
1 |
n+1 |
1 |
4(n+1)(2n+3) |
5 |
12 |
m |
15 |
5 |
12 |
25 |
4 |
|
x+y |
2 |
x-y |
2 |
5 |
A.5 | B.1 | C.0 | D.-5 |
3 |
2 |
3 |
2 |
1 |
2 |
A.3 | B.5 | C.7 | D.9 |
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