If A=[(1,-1),(2,-1)],B=[(x,1),(y,-1)] an...

If `A=[(1,-1),(2,-1)],B=[(x,1),(y,-1)]` and `(A+B)^(2)=A^(2)+B^(2)` then `(x,y)=`

`(1,4)`

`(2,1)`

`(3,3)`

`(0,1)`

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