MATRIX DAY -1 ( BASIC TO ADVANCE LEVEL TAK ) RANGEEN BATCH #defence HBSE BOARD 2025-2026

SHORT SUMMARY MATRIX

1. A matrix is a rectangular arrangement of numbers, symbols, or expressions in rows and columns.
2. It is usually enclosed within square or round brackets.
3. Each individual number or entry in a matrix is called an element.
4. The size of a matrix is written as rows × columns (m × n).
5. A matrix with equal rows and columns is called a square matrix.
6. A matrix with only one row is called a row matrix.
7. A matrix with only one column is called a column matrix.
8. A matrix with zeros everywhere except the main diagonal is a diagonal matrix.
9. Matrices are widely used in mathematics, physics, computer science, and engineering.
10. They are helpful in solving systems of equations, transformations, and data representation.
Would you like me to also make this in very short exam-style points (1–2 words each) for quick revision?

Видео MATRIX DAY -1 ( BASIC TO ADVANCE LEVEL TAK ) RANGEEN BATCH #defence HBSE BOARD 2025-2026 канала Rojgar path