A-Level Further Maths Question: Given a 3 by 3 matrix, show that this matrix is non-singular and find the inverse of this matrix. This question is from the A-Level maths exam You can see my original video: 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