SOLUTION: given A= 1 2 3 0 1 2 1 3 3 -1 1 5 2 5 4 is b=(1,0,1)T in the span of the columns of A? is x=(1,1,1,1,1)T in the Null(A)?

Question 1057237: given A=
1 2 3 0 1
2 1 3 3 -1
1 5 2 5 4
is b=(1,0,1)T in the span of the columns of A?
is x=(1,1,1,1,1)T in the Null(A)?
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.

given A=

 1 2 3 0  1
 2 1 3 3 -1
 1 5 2 5  4

is b=(1,0,1)T in the span of the columns of A?     - NO

is x=(1,1,1,1,1)T in the Null(A)?                  - NO

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