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

Finding determinant using formula - 2 x 2 and 3 x 3
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

Serial order wise

Concept wise

Finding determinant of a 2x2 matrix

Evalute determinant of a 3x3 matrix

Area of triangle

Equation of line using determinant

Finding Minors and cofactors

Evaluating determinant using minor and co-factor

Find adjoint of a matrix

Finding Inverse of a matrix

Inverse of two matrices and verifying properties

Finding inverse when Equation of matrice given

Checking consistency of equations

Find solution of equations- Equations given

Find solution of equations- Statement given

Verifying properties of a determinant

Two rows or columns same

Whole row/column zero

Whole row/column one

Making whole row/column one and simplifying

Proving Determinant 1 = Determinant 2

Solving by simplifying det.

Using Property 5 (Determinant as sum of two or more determinants)