Let Delta = |(a,a+b,a+b+c),(3a,4a+3b,5a+...

Let `Delta = |(a,a+b,a+b+c),(3a,4a+3b,5a+4b+3c),(6a,9a+6b,11a+9b+6c)|` where `a =i,b=omega and c=omega^2` , then `Delta` equals

A

i

B

`-omega^(2)`

C

`omega`

D

`-i`

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The correct Answer is:

A

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