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Let A be an mxxn matrix bsi R^m then the...

Let A be an `mxxn` matrix `bsi R^m` then the system of equations Ax=b has a solution if and only if

A

`bsi coloumn space of A`

B

`bsi rows space of A`

C

b=0

D

`rank [A,b] gt rank A`

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The correct Answer is:
C
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