Question: If A is the matrix in Exercise 12, is in null(A)? Data From Exercise 12 -1 2 -1 |A = 0 , b = [1

If A is the matrix in Exercise 12, is 

-1 2

in null(A)?


Data From Exercise 12-1 |A = 0 , b = [1 -3 -3] 3 3 -1 -5

-1 2 -1 |A = 0 , b = [1 -3 -3] 3 3 -1 -5

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