soluzione
Calcolare
| |
2 +
|
1
x |
|
| x +
|
|
|
| |
2 - |
1
x |
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|
+ 2x = |
| |
2 + |
1
x |
|
| x - |
|
|
| |
2 - |
1
x |
|
| |
|
2x + 1
x |
|
| |
x +
|
|
|
| |
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2x - 1
x |
|
| = |
|
+ 2x = |
| |
|
2x + 1
x |
|
| |
x - |
|
|
| |
|
2x - 11
x |
|
|
| x +
|
2x + 1
x |
· |
x
2x + 1 |
| = |
|
+ 2x = |
|
x -
|
2x + 1
x |
· |
x
2x + 1 |
| = |
x + 1
x - 1 |
+ 2x = |
| = |
x + 1 + 2x(x - 1)
x - 1 |
= |
| = |
x + 1 + 2x2 - 2x
x - 1 |
= |
| = |
2x2 - x + 1
x - 1 |
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