This math tutorial covers how to find the determinant of a 3 by 3 matrix and the inverse of a 3 by 3 matrix. Shop my math t-shirts & hoodies on Amazon: 👉 ----------------------------- 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 👉 Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you! ----------------------------- #math #algebra #mathbasics