Put this clip last in a math-fail sequence, right after the wrong answer fills the frame. Follow it with the Bruh Soundboard Button for the reaction cut, or place the Emotional Damage Sound Button just before it when a bad grade reveal needs building up.
About this sound
This is a short 3.6-second meme clip built around the Portuguese phrase for an arithmetic progression with an infinite common difference. The idea itself is the joke, a math rule pushed to an impossible extreme, and hearing it delivered as a dead-serious statement makes it feel absurd, nerdy and funny in a way that lands instantly with anyone who survived math class.