lim |
n→+∞ |
3 |
cosx(1-sinnx) |
1-sinx |
lim |
n→∞ |
lim |
n→∞ |
cosx(1-sinnx) |
1-sinx |
cosx |
1-sinx |
3 |
3 |
3 |
π |
6 |
| ||
2 |
π |
6 |
π |
6 |
lim |
n→∞ |
3n+1 |
3n+2n |
lim |
n→∞ |
| ||
2n2+1 |
lim |
n→∞ |
2n2+n+3 |
(2n+1)2 |
A.x+y-1=0 | B.x-y+1=0 | C.x-y-1=0 | D.x+y+1=0 |
lim |
n→∞ |
1+a+a2+…+an |
1-a+a2-…+(-1)nan |
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