If A=[(1,2,x),(3,-1,2)] and B=[(y),(x),(...

If `A=[(1,2,x),(3,-1,2)] and B=[(y),(x),(1)]` be such that `AB=[(6),(8)],` then

A

`y=2x`

B

`y=-2x`

C

`y=x`

D

`y=-x`

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The correct Answer is:

A

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