# Determinants: Minors and Co-factors

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## 10 Questions

### What are the elementary transformations of a matrix?

Interchange of rows or columns

Three

### What does R1 ↔ R2 mean in the context of a matrix?

Interchange of rows 1 and 2

### What operation is denoted by C1 ↔ C2 in matrix transformations?

Interchange of columns 1 and 2

[[3, 4], [1, 2]]

Physics

Matrices

Biology

Rows and columns

### 'It is necessary to learn the uses of matrices with the help of elementary transformations and the inverse of a matrix.' What is highlighted as essential for learning about matrices?

Inverse of a matrix along with elementary transformations.

Learn about minors and co-factors of elements in determinants, including how to calculate them and their significance in matrix operations. Explore the relationship between minors, co-factors, and the adjoint of a matrix.

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