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A m*n matrix A. P is the dimension of null space of A. What are the...

A m*n matrix A. P is the dimension of null space of A. What are the number of solutions to Ax=b in these cases. Prove your answer.

a. m=6, n=8, p=2

b. m=6, n=10, p=5

c. m=8, n=6, p=0

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