1 |
2 |
lnx |
x |
lnx |
x |
1-lnx |
x2 |
1 |
e |
1 |
e |
1 |
2 |
1 |
x |
ax2+2x-1 |
x |
1 |
2 |
x1+x2 |
2 |
2 |
x1+x2 |
a(x1+x2) |
2 |
2(x2-x1) |
x1+x2 |
x2 |
x1 |
2(
| ||
1+
|
x2 |
x1 |
2(t-1) |
1+t |
2(t-1) |
1+t |
2(t-1) |
1+t |
lim |
n→∞ |
bn-an |
bn+an |
lim |
n→∞ |
3n-5n+1 |
4×3n+1+5n-2 |
x |
2+lnx |
2-lnx |
lim |
n→∞ |
1 |
n |
lim |
n→∞ |
2n-n2sin
| ||
2n-1 |
|
lim |
n→∞ |
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