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  1. Nested radical1: Nested radical of Ramanujan

    Nested radical1: Nested radical of Ramanujan

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  4. Introduction to Pythagorean quadruple

    Introduction to Pythagorean quadruple

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  6. 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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  7. Integral of x^4+1 step by step

    Integral of x^4+1 step by step

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  8. 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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  9. 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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  10. 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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  11. Goldbach's theorem: Fermat numbers are coprime

    Goldbach's theorem: Fermat numbers are coprime

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  12. Complex contour: Integral of ln(x)/(x^2+1) and ln(x)^2/(x^2+1)

    Complex contour: Integral of ln(x)/(x^2+1) and ln(x)^2/(x^2+1)

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  13. Complex contour integral: e^{-x}cos(x)/sqrt(x), e^{-x}sin(x)/sqrt(x) from 0 to infinity

    Complex contour integral: e^{-x}cos(x)/sqrt(x), e^{-x}sin(x)/sqrt(x) from 0 to infinity

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  14. 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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  15. 黎曼猜想 What is Riemann hypothesis (14): Higher L function

    黎曼猜想 What is Riemann hypothesis (14): Higher L function

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  16. In triangle, tanA+tanB+tanC=tanA*tanB*tanC

    In triangle, tanA+tanB+tanC=tanA*tanB*tanC

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  17. sum of the reciprocals of the primes is divergent

    sum of the reciprocals of the primes is divergent

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  18. 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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  20. Today In Engineering (Episode 2) | Human Vs A.I. Drone Race, Laser Communication, and more...

    Today In Engineering (Episode 2) | Human Vs A.I. Drone Race, Laser Communication, and more...