For A=[(3,1),(-1,2)] then 14A^(-1) is gi...

For `A=[(3,1),(-1,2)]` then `14A^(-1)` is given by :

A

`14[(2,-1),(1,3)]`

B

`[(4,-2),(2,6)]`

C

`2[(2,-1),(1,-3)]`

D

`2[(-3,-1),(1,-2)]`

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The correct Answer is:

B

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