Full solution development for this cool double integral with heavy use of polylogarithms and their properties with full explanation so don't worry if you're not familiar with these concepts. In fact you'll probably be able to brag about all the tricks you'll learn by the end of the video so it's definitely worth the watch.
My complex analysis lectures:
https://youtube.com/playlist?list=PLVkOfIPb514EP3CjWQQ-JmKpIiNoEUS0k&si=rdmwOkQ6Vxg64yrE
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