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

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

A

`(1)/(9)`

B

81

C

0

D

9

Text Solution

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The correct Answer is:
B
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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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  3. If A= [[2,1,0],[0,2,1],[1, 0,2]] then |adj A|=

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

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

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

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

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

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

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