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Let {:A=[(1,0,0),(2,1,0),(3,2,1)]:}and U...

Let `{:A=[(1,0,0),(2,1,0),(3,2,1)]:}and U_1,U_2,U_3` be column matrices satisfying `{:AU_1=[(1),(0),(0)],AU_2=[(2),(3),(6)],AU_3=[(2),(3),(1)]:}`.If U is `3xx3` matrix whose columns are `U_1,U_2,U_3," then "absU=`

A

`-1`

B

0

C

1

D

3

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The correct Answer is:
B
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