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  1. Linear map fixed point theorem

    Linear map fixed point theorem

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

    integral of x^n lnx from 0 to 1

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  3. index 2 subgroup must be a normal subgroup

    index 2 subgroup must be a normal subgroup

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

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

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  7. Integral of 1/sqrt{x^2+1}, Integral of 1/sqrt{x^2-1}, Integral of 1/sqrt{1-x^2}

    Integral of 1/sqrt{x^2+1}, Integral of 1/sqrt{x^2-1}, Integral of 1/sqrt{1-x^2}

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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. 7 is the only Prime followed by a Cube? What's more? how about quartic

    7 is the only Prime followed by a Cube? What's more? how about quartic

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  11. Find eigenvalues of matrix with all same element

    Find eigenvalues of matrix with all same element

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  13. 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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  15. Integral of 1/(1+x^2)^2 (substitution)

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

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  16. 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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  18. There exist distinct integers x,y,z for which, x^2+y^2+z^2=14^n

    There exist distinct integers x,y,z for which, x^2+y^2+z^2=14^n

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  19. Plot Mcdonald Shape by function

    Plot Mcdonald Shape by function

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  20. Schrodinger equation and Klein Gordan equation continuity equation

    Schrodinger equation and Klein Gordan equation continuity equation

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  23. Show e really exists in one page

    Show e really exists in one page

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  24. 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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  25. Volume of sphere, Cone, Pyramid

    Volume of sphere, Cone, Pyramid

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