## What is the cofactor of a matrix?

A cofactor is the number you get when you remove the column and row of a designated element in a matrix, which is just a numerical grid in the form of a rectangle or a square.

## How do you find the cofactor of a 2×2 matrix?

How to Find Adjoint A of a 2×2 matrix {SHORT_CUT} –

## How do you find the cofactor of a 5×5 matrix?

How to Find the Determinant of a 5×5 Matrix –

## How do you find the determinant of a 3×3 matrix using cofactors?

Ex 2: Determinant of 3×3 Matrix – Cofactor Method –