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# Differentiation (Metric)

## Class Details

Tom Baker

Learn, or revise, differentiation from first principles, techniques of differentiation and using differentiation to sketch curves and solve problems.

## Units

### Principles

The gradient of a curve as the limit of the gradient of a secant or chord. This is an A-level topic, but sometimes a bit neglected at that level.

Gradient of a curve at a point as the limit of the gradient of a secant or chord; the idea of the derivative.