If [(1,1),(-1,1)] [(x),(y)]=[(2),(4)], t...

If `[(1,1),(-1,1)] [(x),(y)]=[(2),(4)]`, then the values of x and respectively are

A

`-3, -1`

B

`1, 3`

C

`3, 1`

D

`-1, 3`

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The correct Answer is:

d

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