Problem 6. Determine if the following statements are (T) true or (F) false. Briefly justify your answer at most two sentences. (a) T or F. Every matrix has a unique echelon form. (b) T or F. If {V1, V2} is linearly independent and v3 is in Span{V1, V2}, then {V1, V2, V3} is linearly dependent. (c) T or F. If A, B, C are n x n matrices such that CA = CB, then A = B.

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