Carnival of Space #33

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I am now the sum of the first four positive factorials of positive numbers!
John Lynch over at Stranger Fruit recommended this quiz by the Intercollegiate Studies Institute featuring 33 q
tags: Harry Potter, online quiz
Time to show you the dramatic conclusion to the story I began yesterday. Our problem was to define the complex exponential function in a way that was consistent with everything we knew about real exponential functions. We noticed that one of the standard rules for exponents implies