Reciprocal integral (∫ dx/x = ln|x| + C, x ≠ 0)
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∫ dx/x = ln|x| + C, x ≠ 0
What each symbol means
| Symbol | What it stands for |
|---|---|
| C | Constant of integration |
| x | Nonzero independent variable |
When to use this
Domain splits x<0 and x>0; |x| encodes both branches.