Question: 1. Consider the matrix N A = 2 5 4 4 11 8 -3 a) (2 marks) How many columns of A are linearly independent?

1. Consider the matrix N A = 2 5 4 4 11 8 -3 a) (2 marks) How many columns of A are linearly independent? Explain your answer. b) (4 marks) Find a basis for the nullspace of A. c) (2 mark) If the vector b is the sum of the four columns of A, write down the general solution to Ax = b

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