| 4x-a |
| 1+x2 |
| f(x2)-f(x1) |
| x2-x1 |
| 4x-a |
| 1+x2 |
| f(n)[-f(m)] |
4(1-
| ||
(1+
|
| f(x2)-f(x1) |
| x2-x1 |
| 4(1-x1x2) | ||||
(1+
|
| f(x2)-f(x1) |
| x2-x1 |
1-
| ||
(1+
|
| 1-x1x2 | ||||
(1+
|
1-
| ||
(1+
|
1-
| ||
(1+
|
| 4(1+x2)-2x(4x-a) |
| (1+x2)2 |
| -2(2x2-ax-2) |
| (1+x2)2 |
| -2(2x2-3x-2) |
| (1+x2)2 |
| -2(2x+1)(x-2) |
| (1+x2)2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| f(n)[-f(m)] |
| 4n-a |
| 1+n2 |
| 4m-a |
| 1+m2 |
4(1-
| ||
(1+
|
| f(x2)-f(x1) |
| x2-x1 |
| 4(1-x1x2) | ||||
(1+
|
| f(x2)-f(x1) |
| x2-x1 |
1-
| ||
(1+
|
| 1-x1x2 | ||||
(1+
|
1-
| ||
(1+
|
1-
| ||
(1+
|
1-
| ||
(1+
|
1-
| ||
(1+
|
| 1-x1x2 | ||||
(1+
|
1-
| ||
(1+
|
(x1-x2)(2x1+x2-
| ||||
(1+
|
| (x1-x2)[x1(2-x1x2)+x2] | ||||
(1+
|
1-
| ||
(1+
|
1-
| ||
(1+
|
1-
| ||
(1+
|
1-
| ||
(1+
|
(
| ||||||||||||
(1+
|
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| f(x1)-f(x2) |
| x1-x2 |
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