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Problem #10: Let A and B be n x n matrices. Which of the following statements are always true? (i) (AB)2- A B2 (ii) If the homogencous system Ax0 has infinitely many solutions then A is not invertible (iii) If AB-AC then B C (A) and (iii) only () only (C) (i) and (ii) only (D) none of them (E) () only (F (i and(iii) only G)(iii) only (H) all of them (Select Problem #10: Just save Submit Problem #10 for Grading Problem #101 Attempt #1 | AttempL2 | Attempt #3 Your Answer: Your Mark:

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