How do we conclude that i^-1=-i? Reddit precalculus r/askmath

How do we conclude i^-1=-i? This question is from r/askmath on Reddit   / how_do_we_conclude_that_i1_i   Shop my math t-shirts & hoodies on Amazon: 👉 https://amzn.to/3qBeuw6 ----------------------------- I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉   / blackpenredpen  . Every bit of support means the world to me and motivates me to keep bringing you the best math lessons out there! Thank you! ----------------------------- #math #algebra #mathbasics