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  1. Hermitian matrix is diagonalizable and orthonormal basis

    Hermitian matrix is diagonalizable and orthonormal basis

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  3. 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

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    3
    91
  4. the field of quotients of an integral domain

    the field of quotients of an integral domain

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

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

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    15
  6. Special quartic equation and cos72

    Special quartic equation and cos72

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    12
  9. Mathematical induction middle level exercise

    Mathematical induction middle level exercise

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    5
  10. Factoring a polynomial with a negative number term

    Factoring a polynomial with a negative number term

    3
  11. Factoring a polynomial with a negative x term

    Factoring a polynomial with a negative x term

    3
  12. Factoring a polynomial with only positive coefficients

    Factoring a polynomial with only positive coefficients

    3
  14. What are POLYNOMIALS? - It is easy, just master these FUNDAMENTALS!

    What are POLYNOMIALS? - It is easy, just master these FUNDAMENTALS!

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  15. How to factor difference of squares polynomial: x^4-1

    How to factor difference of squares polynomial: x^4-1

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

    integral of x^n lnx from 0 to 1

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    9
  21. Prove Method of infinite Descent (Vieta's jumping) : (x^2+y^2+1)/xy=3

    Prove Method of infinite Descent (Vieta's jumping) : (x^2+y^2+1)/xy=3

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    9
  22. The existence proof of eigenvectors and eigenvalues

    The existence proof of eigenvectors and eigenvalues

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    3
  23. 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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  24. Integral of 1/(1+x^2)^2 (substitution)

    Integral of 1/(1+x^2)^2 (substitution)

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    1