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Find the adjoint of the following matric...

Find the adjoint of the following matrices:
`{:[(1,-1,2),(2,3,5),(-2,0,1)]`

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MODERN PUBLICATION-DETERMINANTS-EXERCISE
  1. Find the adjoint of the following matrices: {:[(1,2),(3,4)]

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  2. Find the adjoint of matrix [(2,3),(1,4)]

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  3. Find the adjoint of the following matrices: {:[(1,-1,2),(2,3,5),(-2,...

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  4. If A = {:((3,1),(2,-3)), then find |adj.A|

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  5. If A is a square matrix of order 3 swuch that |A|=5, find |A.adj.A|.

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  6. Write the inverse of the matrix: {:[(costheta, sintheta),(-sintheta,...

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  7. Write the inverse of the matrix: {:[(costheta, -sintheta),(sintheta,...

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  8. Verify A(adj A) = (adj A).A = |A|.I :[[2,3],[-4,-6]]

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  9. Verify A(adj A) = (adj A).A = |A|.I : [[1,-1,2],[3,0,-2],[1,0,3]]

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  10. If A = [(costheta,-sintheta,0),(sintheta,costheta,0),(0,0,1)] verify t...

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  11. Find the inverse of each of the following matrices: {:[(-1,5),(-3,2)...

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  12. Find the inverse of each of the following matrices: {:[(2,-2),(4,3)]

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  13. If A = {:[(2,-1),(-1,2)], verify A^2 - 4A + 3I = O, where 1 = {:[(1,0)...

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  14. If A = [[3,1],[-1,2]], show thatA^2-5A +7I = O

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  15. Consider the matrix A = {:[(2,3),(4,5)] Show that A^2-7A-2I=O

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  16. Consider the matrix A = {:[(2,3),(4,5)] Hence , find A^-1

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  17. If A = [ {:(2,3),(5,-2):} ] , write A^(-1) in terms of A.

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  18. Verify that (AB)^(-1) = B^(-1)A^(-1) for the matrices A and B where ...

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  19. Verify (AB)^-1 = B^(-1)A^(-1) for the matrices A and B. Where : A = ...

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  20. Verify that (AB)^(-1) = B^(-1)A^(-1) for the matrices A and B where ...

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