| ||
2(xn-1) |
xn+1 |
xn |
1 |
2n-1 |
x12 |
2(x1-1) |
(2-x1)x1 |
2(x1-1) |
x12 |
2(x1-1) |
4(x1-1)+x12 -4x1+4 |
2(x1-1) |
(x1-2)2 |
2(x1-1) |
xk+12 |
2(xk+1-1) |
(2-xk+1)xk+1 |
2(xk+1-1) |
xk+12 |
2(xk+1-1) |
(xk+1-2)2 |
2(xk+1-1) |
xn+1 |
xn |
1 |
2k |
x | 2k |
1 |
2k |
x | 2k |
1 |
2k |
1 |
2k |
1 |
2k-1 |
1 |
2k |
1 |
2n-1 |
x+3 |
x+1 |
3 |
(
| ||
2n-1 |
2
| ||
3 |
1 |
n2+n |
1 |
2n |
1 |
n+3 |
1 |
2 |
m |
n+3 |
1 |
2 |
1 |
2 |
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