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If A = [(4,5),(2,5)], then |(2A)^(-1)|=....

If `A = [(4,5),(2,5)]`, then `|(2A)^(-1)|`=....

A

`(1)/(30)`

B

`(1)/(20)`

C

`(1)/(60)`

D

`(1)/(40)`

Text Solution

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The correct Answer is:
D
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-MATRICES
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