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Fill in the blanks: In applying one or...

Fill in the blanks:
In applying one or more row operations while finding `A^-1` by elementry row operations, if we obtain all zeros in one or more rows, then `A^-1 ………. .`

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PRADEEP PUBLICATION-MATRICES-EXERCISE
  1. Fill in the blanks: If A and B are two matrices then A + B is define...

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  2. Fill in the blanks: If A is a square matrix of order n and there exi...

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  3. Fill in the blanks: In applying one or more row operations while fin...

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  4. Addition is commutative for

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  5. A matrix denotes a number

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  6. True or False statements : Matrix addition is not associative.

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  7. True or False statements : Subtraction of matrice is commutative.

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  8. Matrix subtraction is associative

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  9. If two matrices A and B are of the same order, then 2A+B=B+2A .

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

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  11. True or False statements : Two matrices are said to be comparable if...

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  12. Matrix multiplication is commutative .

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  13. True or False statements : If A and B are non-zero square matrices o...

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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. True or False statements : If A,B,C are three matrices such that bot...

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  16. True or False statements : Matrix multiplication is associative.

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  17. True or False statements : A square matrix in which every element is...

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  18. True or False statements : In an identity matrix, every non-diagonal...

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  19. True or False statements : In an diagonal matrix, every non-diagonal...

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  20. True or False statements : In a scalar matrix, all the non-diagonal ...

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