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

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

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  3. Hermitian matrix is diagonalizable and orthonormal basis

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  4. Special quartic equation and cos72

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  5. More easy mathematical induction exercise

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  6. the field of quotients of an integral domain

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  8. Mathematical induction middle level exercise

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

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  12. Integral of 1/(e^x+1) and integral of 1/(e^x-1)

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  13. Gaussian integer and Fermat theorem

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  14. integral of x^n lnx from 0 to 1

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  15. Vortex Based Mathematics - Marko Rodin

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  18. Marko Rodin - Vortex Based Mathematics - Hawaii Conference ~ 2001

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  19. integral of lnx ln(1-x) from 0 to 1

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  20. Integral of 1/(x^2+1) by using complex number

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  21. Very funny math question solve x for x^x^n=n

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  22. Cayley's theorem and its generalization

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