Exponential and logarithmic derivatives (d/dx e^x = e^x; d/dx ln x = 1/x; d/dx a^x = a^x ln a)
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d/dx e^x = e^x; d/dx ln x = 1/x; d/dx a^x = a^x ln a
What each symbol means
| Symbol | What it stands for |
|---|---|
| a | positive constant |
When to use this
ln x for x>0; |x| variant piecewise