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A= [[-1, 0],[0,2]] then A^3-A^2=...

`A= [[-1, 0],[0,2]]` then `A^3-A^2=`

A

2A

B

2I

C

A

D

I

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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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  2. adj [[1,0,2],[-1,1,-2],[0,2,1]]= [[5,a,-2],[1,1,0],[-2,-2, b]] then (...

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  3. A= [[-1, 0],[0,2]] then A^3-A^2=

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  4. If A and B are square matrices of the same order, then

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  5. If A= [[2,1,0],[0,2,1],[1, 0,2]] then |adj A|=

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  6. If A and B are square matrices of the same order such that (A+B)(A-B)=...

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  7. If A is a 3xx3 nonsingular matrix and if |A|=3, then |(2A)^(-1)|=

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  8. If A=[(3,2),(1,1)] then A^(2)+xA+yI=0 for (x,y) =

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  9. If [{:(1,2,-1),(1,x-2,1),(x,1,1):}] is singular ,then the value of x ...

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  10. If A and B are symmetric matrices of the same order, then which one of...

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  11. If ((1,-tan theta ),(tan theta,1))((1,tan theta ),(-tan theta ,1))^(-1...

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  12. If A (adj .A ) = 5I , where I is idensity martrix of order 3 , then |...

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  13. If A=[[3,2],[4,5]] and A C=[[19,24],[37,46]], then C=

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  14. If A= (a(ij) ) is a scalar matrix of order nxx n such that a(ii)=k for...

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  15. Let A be an invertible matrix, which of the following is not true?

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  16. If the matrix A B is a zero matrix, then

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  17. The value of x for which the matrix product [[2,0,7],[0,1,0],[1,-2,...

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  18. A square matrix can always be expressed as

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  19. If A B=A and B A=B, then B^2=

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  20. If A = [(i,0),(0,i)] then A^(4n) (n in N ) equals :

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