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4 1 11

A= 1 3 11

0 2 6

1 1 5

1 -1 2 -2

R= -1 2 -3 2

2 -3 5 -5

-2 2 -5 6

B = 2 -3 6 -5

-2 2 -5 6

1. show that the linear system is Ax=b is only consistent if b € N(B)

2. let b € R4. show that the two systems

Ax=b RAx=Rb

are equivalent

hope somebody can help?

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# Show that the two systems Ax=b RAx=Rb

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