When you accidentally multiply matrices the way, but nobody notices (Reddit r/mathmemes)

Matrix multiplication is quite complicated but sometimes we could multiply them entry by entry. Of course, this does not work for all the matrices but only for the well-designed ones! This meme is from Reddit r/mathmemes ---------------------------------------- Big thanks to my Patrons for the full-marathon support! Ben D, Grant S, Mark M, Phillippe S. Michael Z, Nicole D. Camille E. Nolan C. Jan P. Devun C. Stefan C. 💪 Support this channel and get my math notes by becoming a patron: https://www.patreon.com/blackpenredpen 🛍 Shop my math t-shirt & hoodies: https://amzn.to/3qBeuw6 ---------------------------------------- #blackpenredpen #math #calculus #apcalculus

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