Question: For the following matrix A : 1 -2 0 -1 0 1 0 -1 2 1 3 -1 .3 0 2 -4 0 -2 1

For the following matrixA:

1 -2 0 -1 0 1 0

-1 2 1 3 -1 .3 0

2 -4 0 -2 1 4 0

1 -2 -1 -3 0 1 -1

(a) [2+3 points] What is the rank(A)?

Answer for part 1

(b) [Give a basis of null(A).

(c) Give a basis of im(A).

(d) What is dim(null(A))?

(e) [3+0 points] What is dim(Im(A))

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