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Home > Matrix & Vector calculators > Inverse of matrix using Adjoint method example
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1. Adjoint method example
( Enter your problem )
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- Example `[[3,1,1],[-1,2,1],[1,1,1]]`
- Example `[[2,3,1],[0,5,6],[1,1,2]]`
- Example `[[2,3],[4,10]]`
- Example `[[5,1],[4,2]]`
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Other related methods
- Adjoint method
- Gauss-Jordan Elimination method
- Cayley Hamilton method
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2. Example `[[2,3,1],[0,5,6],[1,1,2]]`
(Previous example) | 4. Example `[[5,1],[4,2]]`
(Next example) |
3. Example `[[2,3],[4,10]]`
Find Inverse of matrix
`A=[[2,3],[4,10]]`
Solution:
`=2 × 10 - 3 × 4`
`=20 -12`
`=8`
| = | | `+(10)` | `-(4)` | | | `-(3)` | `+(2)` | |
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`"Now, "A^(-1)=1/|A| × Adj(A)`
| = | | `1.25` | `-0.375` | | | `-0.5` | `0.25` | |
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This material is intended as a summary. Use your textbook for detail explanation.
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2. Example `[[2,3,1],[0,5,6],[1,1,2]]`
(Previous example) | 4. Example `[[5,1],[4,2]]`
(Next example) |
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