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If A, B are square matrices of order 3, ...

If A, B are square matrices of order 3, A is non-singular and AB=0, then B is a

A

null matrix

B

unit matrix

C

singular matrix

D

non-singular matrix

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The correct Answer is:
A
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NIKITA PUBLICATION-MATRICES-MULTIPLE CHOICE QUESTIONS
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  4. If A andB are square matrices of order 2, then (A+B)^(2)=

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  5. If A and B are square matrices of order ntimesn, then (A-B)^(2)=

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  6. If A, B are two matrices and (A+B)(A-B)=A^(2)-B^(2), then

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  7. Which of the following is incorrect?

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  8. If A^(T), B^(T) are transpose of the square matrices A, B respectively...

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  9. Which of the following relations is incorrect?

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  10. Which one of the following statements is true?

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  11. If A=[[a(11), a(12), a(13)], [a(21), a(22), a(23)], [a(31), a(32), a(3...

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  12. If A=[[1, 1, 0], [2, 1, 5],[1, 2, 1]] and a(ij) denote the cofactor ...

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  13. If A=[[a(11), a(12), a(13)], [a(21), a(22), a(23)], [a(31), a(32), a(3...

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  14. If A and B are non-singular square matrices of same order then adj(AB)...

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  15. If A is a non-singular matrix of order n, then A(adj A)=

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  16. If A is a singular matrix of order n, then A(adjA)=

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  17. If A is a ntimesn matrix and |A|ne0, then adj(adjA)=

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  18. If A is a singular matrix of order n, then (adjA) is

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  19. If A is a square matrix, then adj(A')-(adjA)'=

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