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If A^(-1)=[{:(,1,-1,0),(,0,-2,1),(,0,0,-...

If `A^(-1)=[{:(,1,-1,0),(,0,-2,1),(,0,0,-1):}]` then

A

`|A|=2`

B

A is non-singular

C

Adj. A=`=[{:(,1//2,-1//2,0),(,0,-1,1//2),(,0,0,-1//2):}]`

D

A is skew symmetric matrix

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The correct Answer is:
B, C
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RESONANCE-MATRICES & DETERMINANT-PART-III
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