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

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

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  3. Upper bound on chromatic number of graph in terms of number of edges | graph theory | elementary

    Upper bound on chromatic number of graph in terms of number of edges | graph theory | elementary

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  4. Interesting Times, Toxic Family, Genocidal Technocrats, Iron Curtain, AI, Fascism, Israel & more

    Interesting Times, Toxic Family, Genocidal Technocrats, Iron Curtain, AI, Fascism, Israel & more

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  7. Inner product space and p norm

    Inner product space and p norm

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  8. Prove interesting trigonometric identities

    Prove interesting trigonometric identities

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  9. sin 15 and sin 18 and cos 36: Pure geometric way

    sin 15 and sin 18 and cos 36: Pure geometric way

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  11. Probability solution: A Total of n balls, number of 1 through n...

    Probability solution: A Total of n balls, number of 1 through n...

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  12. index 2 subgroup must be a normal subgroup

    index 2 subgroup must be a normal subgroup

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  14. Mathematical induction divide exercise

    Mathematical induction divide exercise

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  15. Prove normal matrix is unitary diagonalizable

    Prove normal matrix is unitary diagonalizable

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  16. sin(x+y)sin(x-y)=(sinx+siny)(sinx-siny)

    sin(x+y)sin(x-y)=(sinx+siny)(sinx-siny)

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  17. The existence proof of eigenvectors and eigenvalues

    The existence proof of eigenvectors and eigenvalues

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

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

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  20. Simple Group of order 60 must be A5

    Simple Group of order 60 must be A5

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  22. zeta function at zero, at 1, at 3, particular values

    zeta function at zero, at 1, at 3, particular values

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  23. Factorize a^3 + b^3 + c^3 - 3abc

    Factorize a^3 + b^3 + c^3 - 3abc

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  24. Nested radical 2: Nested radical of Ramanujan

    Nested radical 2: Nested radical of Ramanujan

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