# Derivative of natural log: y=ln(x)

- Author:
- GeoGebra Institute of MEI

- Topic:
- Derivative

The point A' is the reflection of A in the line y=x.
The derivative of the curve at A is equal to the y-value. The derivative of the curve at A' is 1/x-value.

- Author:
- GeoGebra Institute of MEI

- Topic:
- Derivative

The point A' is the reflection of A in the line y=x.
The derivative of the curve at A is equal to the y-value. The derivative of the curve at A' is 1/x-value.