Class 12

Chapter 4 Class 12 Determinants

Learn Chapter 4 Determinants of Class 12 for free with solutions of all NCERT Questions for CBSE Maths

We will learn

  • What a determinant is, and its difference from matrix
  • Finding determinant for 2 x 2 and 3 x 3 matrix
  • Finding Area of Triangle using Determinant
  • Finding Equation of line using Determinants (We use Area of Triangle formula)
  • Finding Minors and Cofactors of Determinant
  • Finding Determinant using Minors and Cofactors
  • Finding adjoint of a matrix
  • Finding Inverse of a matrix using Determinants
  • Then, we verify different properties of inverse and solve some questions (Like A adj A = |A| I, (AB)-1 = A-1 B-1 , [adj A]-1 = adj A-1)
  • Suppose equation of matrix is given, like A2
  • Finding determinants without expanding i.e. Solving determinants using propertie
  • Properties of determinants
  • Adjoint and Inverse of Matrice
  • Solving pair of linear equations using determinants