x |
e |
1 |
ex |
f(x2)-f(x1) |
x2-x1 |
f(x2)-f(x1) |
x2-x1 |
x2+
| ||||
e(x2-x1) |
(1-
| ||
e(x2-x1) |
1 |
e |
x1x2-1 |
x1x2 |
x1x2-1 |
x1x2 |
f(x2)-f(x) |
x2-x1 |
|
1 |
2 |
A.-1 | B.-2 | C.
| D.-
|
1 |
x |
x2+a |
bx-c |
1 |
2 |
1 |
an |
1 |
an+1 |
n+1 |
n |
1 |
an |
1 |
an |
|
A.9 | B.
| C.3 | D.
|
|
f(x1)-f(x2) |
x1-x2 |
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