Write entire word TRUE or entire word FALSE for each statement below. Justify your answer. a) If the system Ax = b has more than one solution, then so does the system Ax = 0. b) If x1 and x2 are both solutions to the system Ax=b, then x1 + x2 is also a solution. c) The matrix A is invertible for all real numbers k. k -2 A= 5 k-6

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