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Example of derivatives

Example of derivatives
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2018-10-10 03:06
VectorFunctionCoordinate GeometryDerivativeGeometric Construction
This example demonstrates the concept of derivatives through geometric transformations. It involves constructing function graphs, slopes, vectors, and similarity transformations using GeoGebra commands such as Textfield, Point, Intersect, Slope, Segment, Dilate, Vector, Distance, and Circle. The key mathematical concepts include derivatives, slopes, vectors, and similarity. This is suitable for high school or university students learning calculus, helping to understand the geometric intuition and calculation of derivatives.

GeoGebra Commands & Parameters

  1. Textfield(f) → InputBox1
  2. Point(f) → A
  3. Intersect(g, h) → C
  4. Slope(Line[A, C]) → a
  5. Intersect(f', k) → E
  6. Segment(A, F) → j
  7. Dilate(A, If[0 < b ≤ 1, 1 - b, 0], B) → A'
  8. Segment(A, A') → m
  9. Dilate(B, If[1 < b ≤ 2, 2 - b, 0], C) → B'
  10. Segment(B, B') → n
  11. Vector(B, B') → u
  12. Distance(B, C) → distanceBC
  13. Dilate(B, If[2 < b ≤ 3, 3 - b, 0], D) → B'_1
  14. Vector(B, B'_1) → v
  15. Dilate(C, If[2 < b ≤ 3, 3 - b, 0], E) → C'
  16. Vector(B'_1, C') → w
  17. Dilate(A, If[1 < b ≤ 2, 2 - b, 0], D) → A'_1
  18. Segment(A, A'_1) → p
  19. Distance(B'_1, C') → distanceB'1C'
  20. Circle(A, 5) → d
  21. Intersect(d, h, 2) → G
  22. Intersect(d, h, 1) → H
  23. Vector(A, G) → e
  24. Vector(A, H) → l