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MATRICES ALGEBRACOFACTOR EXPANSION; CRAMER’S
RULE
Minors and Cofactors
Cofactor Expansion
Adjoint of A Matrix
Formulator For The Inverse Of A Matrix
Cramer’s Rule
Let’s Us Doing The Exersice !!
3. Evaluate the determinant of the matrix by a cofactor expansion along a. The second column b. The third row
4. For the matrix, find adj (A) and A inverse using 2.1.2
5. Evaluate det (A) by a cofactor expansion along a row or column of your choice
Thank You For Your Attention
Wassalamu’alaikum Wr. Wb.
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