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  1. Gaussian integer and Fermat theorem

    Gaussian integer and Fermat theorem

    34
    6
    8
  2. Ring theory lecture - definition

    Ring theory lecture - definition

    19
    2
    11
  3. Counting formula in Group theory

    Counting formula in Group theory

    35
    7
    15
  4. Permutation group (Symmetric group)

    Permutation group (Symmetric group)

    17
    1
    2
  5. Construction in categories: product/coproduct, equalizer/coequalizer, Pushout/pullbacks

    Construction in categories: product/coproduct, equalizer/coequalizer, Pushout/pullbacks

    35
    4
    14
  7. Correspondence theorem in Group theory and third isomorphism theorem

    Correspondence theorem in Group theory and third isomorphism theorem

    22
    3
    30
  8. Goldbach's theorem: Fermat numbers are coprime

    Goldbach's theorem: Fermat numbers are coprime

    38
    5
    12
  9. Volume of sphere, Cone, Pyramid

    Volume of sphere, Cone, Pyramid

    8
    1
    15
  10. How to put 20 equilateral triangles on sphere

    How to put 20 equilateral triangles on sphere

    25
    4
    17
  11. Cardano’s formula: Cubic equation

    Cardano’s formula: Cubic equation

    18
    3
    2
  12. Learn how to code in Scratch: Make your own games with blocks

    Learn how to code in Scratch: Make your own games with blocks

    4
    1
    113
  14. Brian Neene - Trigonometric calculation part 2

    Brian Neene - Trigonometric calculation part 2

  15. Paula Trinidad de la Vega - Trigonometric suspension

    Paula Trinidad de la Vega - Trigonometric suspension