Taycan is nicer inside and has a better feel driving but overall the Tesla wins me over. The space for my family, charging network, accessing everything on the screen, self driving and just Tesla’s software overall, I think it really out does the Porsche
It looks like an alternating series, so It’s likely from a physics class involving electrostatic or maybe control systems. It also could be from a later calculus class where you’re first introduced to alternating series like Taylor or Leibniz.