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Write minors and cofactors of the elemen...

Write minors and cofactors of the elements of following determinant
`|{:(1,-2),(4,3):}|`

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The correct Answer is:
`M_(11)=3,M_(12)=4,M_(21)=-2,M_(22)=1`
`A_(11)=3,A_(12)-4,A_(21)=2,A_(22)=1`
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KUMAR PRAKASHAN-DETERMINANTS -Practice Work
  1. Write minors and cofactors of the elements of following determinant ...

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  2. Write minors and cofactors of the elements of following determinant ...

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  3. Write minors and cofactors of the elements of following determinant ...

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  4. Verify: The value of the determinant remains unchanged if its rows and...

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  5. Write minors and cofactors of the elements of following determinant ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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