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If A={:[(3,2),(0,1)]:}" then:(A^(-1))^(3...

If `A={:[(3,2),(0,1)]:}" then:(A^(-1))^(3)=`

A

`(1)/(27){:[(1,-26),(0,27)]:}`

B

`(1)/(27){:[(1,26),(0,27)]:}`

C

`(1)/(27){:[(1,-26),(0,-27)]:}`

D

`(-1)/(27){:[(1,-26),(0,-27)]:}`

Text Solution

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The correct Answer is:
A
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MARVEL PUBLICATION-MATRICES-TEST YOUR GRASP
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  7. If AC=A" and "BA=B," then: "A^(2)=

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  19. If square matrices A and B are such that A^(2)=A,B^(2)=B and A,B commu...

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