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  2. 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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  5. 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
  6. Integral of sec(x) and Integral of 1/sec(x)

    Integral of sec(x) and Integral of 1/sec(x)

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  7. Integral of 1/(x^3+1) step by step

    Integral of 1/(x^3+1) step by step

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

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

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

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

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  10. Hermitian matrix is diagonalizable and orthonormal basis

    Hermitian matrix is diagonalizable and orthonormal basis

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  11. Special quartic equation and cos72

    Special quartic equation and cos72

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  12. 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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  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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  20. Goldbach's theorem: Fermat numbers are coprime

    Goldbach's theorem: Fermat numbers are coprime

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

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

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  24. Field theory (Abstract Algebra)

    Field theory (Abstract Algebra)

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  25. Mathematical induction middle level exercise

    Mathematical induction middle level exercise

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