# Determinants

A quantity obtained by the addition of products of the elements according to a special rule in a square matrix is called the determinant of a matrix.

## Introduction

### Cases

The list of some popular matrices with examples to learn how to calculate the determinant of any square matrix systematically.

#### 2 × 2 matrix

Learn the determinant formula for a $2$ by $2$ square matrix with definition and example problems to learn how to find the determinant of a square matrix of the order $2$.

#### 3 × 3 matrix

Learn the determinant formula of a square matrix of the order $3$ with its definition and example problems to learn how to evaluate the determinant of a $3$ by $3$ square matrix.

#### 4 × 4 matrix

Learn the determinant rule of a $4$ by $4$ square matrix with its fundamental definition and example problems with solutions to learn how to calculate the determinant of any matrix of the order $4$.

###### Math Questions

The math problems with solutions to learn how to solve a problem.

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###### Math Worksheets

The math worksheets with answers for your practice with examples.

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###### Math Videos

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