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Find adjoint of each of the matrices [...

Find adjoint of each of the matrices
`[{:(4,2),(1,5):}]`

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The correct Answer is:
`[{:(5,-2),(-1,4):}]`
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Find adjoint of each of the matrices [{:(5,8,1),(0,2,1),(4,3,-1):}]

Find the inverse of each of the following matrices [{:(1,2),(2,-1):}]

Find adjoint of each of the matrices in Exercises 1 and 2 [{:(1,-1,2),(2,3,5),(-2,0,1):}]

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Find the inverse of each of the following matrices [{:(2,-3),(5,4):}]

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KUMAR PRAKASHAN-DETERMINANTS -Practice Work
  1. Uing cofactors of elements of first row evaluate |{:(2,-1,3),(6,4,16),...

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  2. Using cofactors of elements of second row evaluate |{:(1,-3,2),(4,-1,2...

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  3. Find adjoint of each of the matrices [{:(4,2),(1,5):}]

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  4. Find adjoint of each of the matrices [{:(3,-2,3),(2,1,-1),(4,-3,2):}...

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  5. Find adjoint of each of the matrices [{:(1,1,1),(1,0,2),(3,1,1):}]

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  6. Find adjoint of each of the matrices [{:(2,-1,3),(4,2,5),(0,4,1):}]

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  7. Find adjoint of each of the matrices [{:(5,8,1),(0,2,1),(4,3,-1):}]

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  8. Find the inverse of each of the following matrices [{:(2,-3),(5,4):}...

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  9. Find the inverse of each of the following matrices [{:(1,2),(2,-1):}...

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  10. Find the inverse of each of the following matrices [{:(5,8,1),(0,2,1...

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  11. Find the inverse of each of the following matrices [{:(2,0,-1),(5,1,...

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  12. Find the inverse of each of the following matrices [{:(3,-10,-1),(-2...

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

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  14. For the matrix A=[{:(2,3),(1,2):}] , show that A^2-4A+I2=0. Hence, fin...

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  15. If A^(-1)=[{:(-4,2),(3,-1):}]and B=[{:(0,3),(-2,5):}] then find (AB)^(...

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  16. For the matrix A=[{:(1,2,2),(2,1,2),(2,2,1):}]. Show that A^2-4A-5I=0 ...

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  17. If A=[{:(3,1),(7,5):}] and A^2+xI=yA then find X and Y. Hence find A^(...

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  18. If A=[{:(-1,2,0),(-1,1,1),(0,1,0):}] then show that A^(-1)=A^2

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  19. If A=[{:(1,2,1),(2,1,3),(1,1,0):}] then prove that A^3-2A^2-7A-4I3=0. ...

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  20. If A=[{:(2,3),(1,-4):}],B=[{:(1,-20),(-1,3):}] then verify (AB)^(-1)=B...

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