math,help!!!!!
posted by jasmine20 .
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
51=4
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