Differentiation-1 Tutor FREE Pure Math

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Newly redesigned chapter on differentiation with video, audio and captions:

✷ Gradient of a curve
✷ Differentiating y = x² from first principles
✷ Differentiating y = x³ from first principles
✷ Differentiating polynomials from first principles
✷ The dy/dx notation
✷ General principle of differentiation
✷ Differentiating using a scientific calculator
✷ Tangents and normals
✷ Tangents & normals using a graph app
✷ Velocity and acceleration