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If A is unimodular, then which of the f...

If A is unimodular, then which of the following is not necessarily unimodular ? a)`A^(-1)` b)`-A` c)adj A d)None of these

A

`A^(-1)`

B

`-A`

C

adj A

D

None of these

Text Solution

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The correct Answer is:
B
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