Jamel Ghanouchi, About some Transcendental Numbers, BMSA Volume 4, Bulletin of Mathematical Sciences and Applications (Volume 4)
https://www.scipress.com/BMSA.4.6
Abstract:
    Everyone knows that <i>π</i>, <i>e</i> or the Champernowne number are transcendentals, but what about <i>π</i>+<i>e</i> or <i>πe</i>  In this paper, we demonstrate a method in order to know if they also are.
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