Question: 3 6 OO Question 1. (2 points) Let A = 4 10 OOHO IN -8 The reduced echelon form of A is rref(A) = OHOR

3 6 OO Question 1. (2 points) Let A = 4 10 OOHO IN -8 The reduced echelon form of A is rref(A) = OHOR NANN 3 2 Let T : R4 - R* be the transformation defined by T(x) = Ax for XERA. (1) Find a basis for the kernel of T and a basis for the image of T. (2) Find the dimension of ker(A) and the dimension of im(AT). (3) Suppose the columns of A are d1, d2, d3, d4. Is d4 a redundant vector? If it is, write a4 as a linear combina- tion of d1, d2, d3

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