The document covers various methods related to matrices, including echelon form and normal form. It discusses techniques such as Gauss elimination, Gauss Jordan, and Gauss Seidel methods. Additionally, it explains finding the inverse of a matrix using the adjoint method.

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17. TOPICS COVERED
• ECHELON FORM AND NORMAL FORM OF A MATRIX.
• GAUSS ELIMINATION METHOD
• GAUSS JORDAN METHOD
• GAUSS SEIDEL METHOD
• FINDING INVERSE USING ADJOINT