Sn |
bn |
lim |
n→+∞ |
Sn |
bn |
| ||
2(n-1)d |
1-2nd |
2(n-1)d-2nd |
lim |
n→∞ |
lim |
n→∞ |
1-2nd |
2dn-d-2dn |
1-(2d)n |
1-2d |
Sn |
bn |
| ||
2(n-1)d |
1-2nd |
2(n-1)d-2nd |
lim |
n→∞ |
lim |
n→∞ |
1- 2nd |
2nd-d-2nd |
lim |
n→∞ |
1-(2d)n |
(2d)n-1-(2d)n |
lim |
n→∞ |
| ||
|
2d |
2d-1 |
科目:高中数学 来源: 题型:
-2x+a | 2x+1+b |
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