Posted by **jasmine20** on Sunday, February 11, 2007 at 12:37pm.

Let A be a 2*3 coefficient matrix ;A

a)If the system Ax=b is consistent is the solution unique? why or why not? explain

b) how many pivots must A have to gurantee that Ax=b has a solution for every vector b in IR^2?

c) can the columns be linearly independent?

4

5-1=4

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