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  1. Permutation group (Symmetric group)

    Permutation group (Symmetric group)

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

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

    35
    4
    14
  3. More easy mathematical induction exercise

    More easy mathematical induction exercise

    28
    3
    2
  5. Prove normal matrix is unitary diagonalizable

    Prove normal matrix is unitary diagonalizable

    37
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    8
  6. Correspondence theorem in Group theory and third isomorphism theorem

    Correspondence theorem in Group theory and third isomorphism theorem

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

    Goldbach's theorem: Fermat numbers are coprime

    38
    5
    12
  8. How to put 20 equilateral triangles on sphere

    How to put 20 equilateral triangles on sphere

    25
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    17
  9. Solving a system of linear equations using the elimination method

    Solving a system of linear equations using the elimination method

    3
    0
    82
  11. Cayley's theorem and its generalization

    Cayley's theorem and its generalization

    1
  12. Group homomorphism and first group isomorphism theorem

    Group homomorphism and first group isomorphism theorem

    2
  14. Latest Links February 21 2024 Healing Stones Tesla Museum Chinese New Year

    Latest Links February 21 2024 Healing Stones Tesla Museum Chinese New Year

    28
    2
  16. Rational Equations that Become Linear

    Rational Equations that Become Linear

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    17
  17. Finding the number of solutions in a system of linear equations

    Finding the number of solutions in a system of linear equations

    4
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    52
  18. SAT linear equation question

    SAT linear equation question

    17
    2
    4
  19. Using the substitution method for a linear - quadratic system of equations

    Using the substitution method for a linear - quadratic system of equations

    2
    0
    49
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  22. Field theory (Abstract Algebra)

    Field theory (Abstract Algebra)

    22
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    61
  23. Integral of e^ax cos(bx) and Integral of e^ax sin(bx) no integration by part

    Integral of e^ax cos(bx) and Integral of e^ax sin(bx) no integration by part

    22
    3
    120
  24. a_{n+2}=5a_{n+1}-6a_{n} Mathematical induction

    a_{n+2}=5a_{n+1}-6a_{n} Mathematical induction

    22
    4
    7