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If B=[(6,7),(8,9)] then B^(-1) is equal ...

If `B=[(6,7),(8,9)]` then `B^(-1)` is equal to

A

`[(25/3,-8),(-7,6)]`

B

`[(9,-7),(-8,6)]`

C

`[(-9/2,7/2),(4,-3)]`

D

`[(-6,-7),(-8,-9)]`

Text Solution

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The correct Answer is:
C
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