The ultimate and boring walk-through on how to find the determinant of a 4 x 4 matrix, which doesn't include any zeroes, which is why it's painfully boring. How to find the determinant of a 2 x 2 matrix - How to find the determinant of a 3 x 3 matrix - How to find the determinant of a 4 x 4 matrix - #maths #algebra #mathtutorial #determinants #determinantofmatrix