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If the matrix A= |{:(1,2,3,0),(2,4,3,2),...

If the matrix `A= |{:(1,2,3,0),(2,4,3,2),(3,2,1,3),(6,8,7,alpha):}|` is of rank 3, then `alpha` equals to

A

`-5`

B

5

C

4

D

1

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The correct Answer is:
B
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