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  1. Find eigenvalues of matrix with all same element

    Find eigenvalues of matrix with all same element

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  2. Introduction to Pythagorean quadruple

    Introduction to Pythagorean quadruple

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  3. Two ways: Integral of 1/(x^2+1)^2 from 0 to infinity

    Two ways: Integral of 1/(x^2+1)^2 from 0 to infinity

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  6. Complex analysis Integral of cos(ax)/coshx from 0 to infinity

    Complex analysis Integral of cos(ax)/coshx from 0 to infinity

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    8
  7. Integral of 1/(x^3-1) from integral of 1/(x^3+1)

    Integral of 1/(x^3-1) from integral of 1/(x^3+1)

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  9. Integral of x^4+1 step by step

    Integral of x^4+1 step by step

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

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

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  11. Mathematical induction exercise: 6^n-1 is divisible by 5

    Mathematical induction exercise: 6^n-1 is divisible by 5

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    2
  12. Special quartic equation and cos72

    Special quartic equation and cos72

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  13. More easy mathematical induction exercise

    More easy mathematical induction exercise

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  14. 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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  15. the field of quotients of an integral domain

    the field of quotients of an integral domain

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  16. Can you solve the following integral? integral of 1/(1+x^phi)^phi from 0 to infty

    Can you solve the following integral? integral of 1/(1+x^phi)^phi from 0 to infty

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  17. 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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  18. Goldbach's theorem: Fermat numbers are coprime

    Goldbach's theorem: Fermat numbers are coprime

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  19. Field theory (Abstract Algebra)

    Field theory (Abstract Algebra)

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  20. Mathematical induction middle level exercise

    Mathematical induction middle level exercise

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  21. Linear map fixed point theorem

    Linear map fixed point theorem

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  23. sinx+sin2x+sin3x+...+sin nx, cosx+cos2x+cos3x+cos 4 x+...+cos nx

    sinx+sin2x+sin3x+...+sin nx, cosx+cos2x+cos3x+cos 4 x+...+cos nx

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

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

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  25. Cayley's theorem and its generalization

    Cayley's theorem and its generalization

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