# GEOMETRICAL MEANING OF DERIVATIVE

- Author:
- Revathy Parameswaran

- Topic:
- Derivative

What is the geometrical meaning of derivative? Consider any two points A and B on the curve y=f(x). Join them to get a secant. As B moves closer and closer to A and becomes almost coincident with A, the secant becomes a tangent and its slope is called the derivative of y at A.