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Select the correct option from the given alternatives. Choose the correct alternative. If `A = [[1,2],[3,4]]`, `adjA = [[4,a],[-3,b]]` then the values of `a` and `b` are: i]a = − 2 , b = 1 ii]a = 2 , b = 4 iii]a = 2 , b = − 1 iv]a = 1 , b = − 2

A

`a=-2,b=1`

B

`a=2,b=4`

C

`a=2,b= -1`

D

`a=1,b=-2`

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