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Choose the correct answer in the example no . (18) so that statement becomes true .
Matrices A and B will be inverse of each other only if ……..

A

AB=BA

B

AB =BA =O

C

AB =Q,BA=I

D

AB=BA=I

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The correct Answer is:
(D)
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KUMAR PRAKASHAN-MATRICES -EXERCISE -3.4
  1. Using elementary row transformations , find the inverse of each of the...

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  2. Using elementary row transformations , find the inverse of [{:(2,1),(...

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  3. Using elementary row transformations , find the inverse of [{:(1,3),(2...

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  4. Using elementary row transformations , find the inverse of [{:(2,3),(5...

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  5. Using elementary row transformations , find the inverse of [{:(2,1),(7...

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  6. Using elementary row transformations , find the inverse of [{:(2,5),(1...

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  7. Using elementary row transformations , find the inverse of [{:(3,1),(5...

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  8. Using elementary row transformations , find the inverse of [{:(4,5),(3...

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  9. Using elementary row transformations , find the inverse of [{:(3,10),(...

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  10. Using elementary row transformations , find the inverse of [{:(3,-1),(...

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  11. Using elementary row transformations , find the inverse of [{:(2,-6),(...

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  12. Using elementary row transformations , find the inverse of [{:(6,-3),(...

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  13. Using elementary row transformations , find the inverse of [{:(2,-3),(...

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  14. Using elementary transformations, find the inverse of the matrices ...

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  15. Using elementary transformations, find the inverse of the matrices [...

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  16. Using elementary row transformations , find the inverse of [{:(1,3,-2)...

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  17. Using elementary row transformations , find the inverse of [{:(2,0,-1)...

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  18. Choose the correct answer in the example no . (18) so that statement b...

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