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Can the inverse of the following matric ...

Can the inverse of the following matric be found ?
`[[1,2],[2,4]]`

Text Solution

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`absA = [[1,2],[2,4]]` =4-4=0
`therefore A^-1` exists
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MBD PUBLICATION-DETERMINATES-QUESTION BANK
  1. Can the inverse of the following matric be found ? [[1,2],[3,4]]

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  2. Can the inverse of the following matric be found ? [[1,1],[1,1]]

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  3. Can the inverse of the following matric be found ? [[1,2],[2,4]]

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  4. Can the inverse of the following matric be found ? [[1,0,0],[0,1,0],...

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  5. Find the inverse of the following : [[1,0],[0,1]]

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  6. Find the inverse of the following : [[2,-1],[1,3]]

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  7. Find the inverse of the following : [[4,-2],[3,1]]

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  8. Find the inverse of the following : [[2,5],[1,3]]

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  9. Find the inverse of the following : [[1,0],[2,-3]]

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  10. Find the inverse of the following : [[1,0],[0,-1]]

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  11. Find the inverse of the following : [[i,-i],[i,i]

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  12. Find the inverse of the following : [[x,-x],[x,x^2]],x ne 0, x ne -1

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  13. Find the adjoint of the following matrice. [[1,1,-1],[2,-1,2],[1,3,-2...

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  14. Find the adjoint of the following matrice. [[-2,2,3],[1,4,2],[-2,-3,1...

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  15. Find the adjoint of the following matrice. [[2,1,2],[2,2,1],[1,2,2]]

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  16. Find the adjoint of the following matrice. [[1,3,0],[2,-1,6],[5,-3,1]...

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  17. Find the adjoint of the following matrice. [[-2,2,3],[1,4,2],[-2,-3,1...

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  18. Which of the following matrice is invertible? [[1,0,0],[1,1,1],[2,-1...

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  19. Which of the following matrice is invertible? [[2,1,-2],[1,2,1],[3,6...

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  20. Which of the following matrice is invertible? [[-1,-2,3],[2,1,-4],[-...

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