#MATHS #Determinants #CLASS12 #yuvamkapileshgupta PSEB / NCERT / CBSE MATHS CLASS 12 (+2) Chapter –DETERMINANTS What is determinant? How to solve determinant of order 1 matrix (1x1) How to solve determinant of order 2 matrix (2x2) How to solve determinant of order 3 matrix (3x3) Best way to expand 3x3 determinant. Singular Matrix and Non-singular Matrix EXCERCISE 4.1, Question No. 1 & 5