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  3. Show e really exists in one page

    Show e really exists in one page

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    7
  4. Linear algebra advanced basic: Zorn's lemma, exchange lemma, dimension

    Linear algebra advanced basic: Zorn's lemma, exchange lemma, dimension

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  5. Gaussian integer and Fermat theorem

    Gaussian integer and Fermat theorem

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  6. Ring theory lecture - definition

    Ring theory lecture - definition

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  7. Counting formula in Group theory

    Counting formula in Group theory

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  9. Permutation group (Symmetric group)

    Permutation group (Symmetric group)

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

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

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  11. More easy mathematical induction exercise

    More easy mathematical induction exercise

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  13. Can you prove this: square root of 2 of 2= square root of 2 to the power square root of 2

    Can you prove this: square root of 2 of 2= square root of 2 to the power square root of 2

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    6
  14. Find eigenvalues of matrix with all same element

    Find eigenvalues of matrix with all same element

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  15. Correspondence theorem in Group theory and third isomorphism theorem

    Correspondence theorem in Group theory and third isomorphism theorem

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  16. Goldbach's theorem: Fermat numbers are coprime

    Goldbach's theorem: Fermat numbers are coprime

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  17. Volume of sphere, Cone, Pyramid

    Volume of sphere, Cone, Pyramid

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    1
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  18. How to put 20 equilateral triangles on sphere

    How to put 20 equilateral triangles on sphere

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  19. Cardano’s formula: Cubic equation

    Cardano’s formula: Cubic equation

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    2
  20. Trigonometry: Product of sin(kpi/n) from k=1 to n-1

    Trigonometry: Product of sin(kpi/n) from k=1 to n-1

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  21. Field theory (Abstract Algebra)

    Field theory (Abstract Algebra)

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  22. sum of the reciprocals of the primes is divergent

    sum of the reciprocals of the primes is divergent

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  23. Rulers & Protractors (Quadrance & Spread) in QTrig: Setup and Outline | Abstract Algebra 13

    Rulers & Protractors (Quadrance & Spread) in QTrig: Setup and Outline | Abstract Algebra 13

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