Question: 13 4. For 7 : R* - R* define T(x) = Ax where A = a) Find a basis for Row(A). What is dim Row(A)?

13 4. For 7 : R* - R* define T(x) = Ax where A = a) Find a basis for Row(A). What is dim Row(A)? b) Based on this, what is the rank(A)? Justify your answer. c) Without calculation, what is dim Nul(A)

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