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For the non singular matrix A,(adjA)^(-1...

For the non singular matrix `A,(adjA)^(-1)=(adjA^(-1))`

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ACCURATE PUBLICATION-MATRICES-QUESTIONS CARRYING 1 MARK (Type-III : (True or false questions))
  1. If two matrices A and B are of the same order, then 2A+B=B+2A .

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  2. Matrix subtraction is associative

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  3. For the non singular matrix A,(adjA)^(-1)=(adjA^(-1))

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  4. AB=ACimplies B=C for any three matrices of same order .

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  5. A matrix denotes a number

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  6. Matrices of any order can be added .

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  7. Two matrices are equal if they have same number of rows and same numbe...

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  8. Matrices of different order can not be subtracted .

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  9. Matrix addition is associative as well as commutative .

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  10. Matrix multiplication is commutative .

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  11. A square matrix where every element is unity is called an identity mat...

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  12. If A and B are two square matrices of the same order, then A+B=B+A .

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  13. If A and B are two matrices of the same order, then A-B=B-A .

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  14. If matrix AB=O, then A=O or B=O or both A and B are null matrices .

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  15. Transpose of a column matrix is a column matrix .

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  16. If A and B are two square matrices of the same order, then AB=BA .

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  17. If each of the three matrices of the same order are symmetric then the...

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  18. If A and B are two square matrices of the same order, then AB=BA .

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  19. If (AB)=B'A' , where A and B are not square matrices, then number of r...

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  20. If A, B and C are square matrices of same order, then AB=AC always imp...

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