🔁 Inverse of a 3×3 Matrix with Adjugate Method | Step-by-Step #cofactors #linearalgebra #matrix

Struggling with 3×3 matrix inverses? This video breaks down the Adjugate Matrix Method step-by-step so you can master this essential linear algebra technique! 📈 Why It Matters: Knowing how to find an inverse matrix is essential in solving systems of equations, transforming coordinates, and advanced topics in engineering, physics, and computer science. 🧠 What You’ll Learn: How to calculate the determinant of a 3×3 matrix Use of the cofactor formula C_{ij} = (-1)^{i+j} \cdot \det(M_{ij}) Constructing the adjugate matrix Applying the inverse formula A^{-1} = \frac{1}{\det(A)} \cdot \text{adj}(A) Common sign and minor calculation errors to avoid 💬 Drop YOUR hardest matrix or determinant problem in the comments, and I might solve it in the next video!