Recent content by YvesSch

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    Chernobyl How did this worker approach this fuel mass at Chernobyl?

    Just to be clear the "abnormalities" of this photo: are NOT due to the radiation. This is a completely normal photographic artifact, caused by a low shutter speed and a shaky camera. The radiation most certainly did not cause "the lower half of the worker to appear transparent Reference...
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    Undergrad How Can You Solve the Infinite Series \(\sum_{n=1}^{\infty}\frac{n}{k^{n}}\)?

    That was elegant and exactly what I was looking for. Thanks.
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    Undergrad How Can You Solve the Infinite Series \(\sum_{n=1}^{\infty}\frac{n}{k^{n}}\)?

    Recently I have been playing around with infinite series and related topics, when I realized I couldn't figure out how to solve something of the form \sum_{n=1}^{\infty}\frac{n}{k^{n}} How would you go about finding a sum like this?
    • YvesSch
    • Thread
    • Infinite Infinite series Series
    • Replies: 2
    • Forum: Calculus
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    Graduate Series of exponential prime reciprocals

    Sum of reciprocal of some base (I just chose e as example) to prime power? Ʃ \frac{1}{e^{p}} = \frac{1}{e^2}+\frac{1}{e^3}+\frac{1}{e^5}+\frac{1}{e^7}+\frac{1}{e^{11}}+\frac{1}{e^{13}}+\frac{1}{e^{17}}+... p\inP Brute force simulation gives me ~0.19279118970439518 Is there an...