3 |
m |
3 |
lim |
n→∞ |
(−2)n−3n |
3n+2n |
1 |
n(n+2) |
3 |
4 |
1 |
2 |
2x+1 |
x−1 |
wwbqq 幼苗
共回答了24个问题采纳率:83.3% 举报
3 |
m |
3 |
3 |
3 |
lim |
n→∞ |
(−2)n−3n |
3n+2n |
lim |
n→∞ |
(−
| ||
1+(
|
1 |
n(n+2) |
1 |
n |
1 |
n+2 |
3 |
4]-[1/2 |
2n+3 | ||||||||||||
n2+3n+2],由此知其各项和S=
①若m∈(0,1],则m+ 点评: 1年前
2
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