If alpha,beta are the roots of x^(2)+x+1...

If `alpha,beta` are the roots of `x^(2)+x+1=0` then
`|{:(Y+1,beta,alpha),(beta,y+alpha,1),(alpha,1,y+beta):}|`

A

`y^(2)-1`

B

`y(y^(2)-1)`

C

`y^(2)-y`

D

`y^(3)`

Verified by Experts

The correct Answer is:

D

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