1 1 2 0 2 Let A = -6 7-²-841--- [ ] B = H 0 C = 2 1 and D = -20 0 -2 Consider the following expressions: 1. AB 2. AC 3. BTC 4. A+ D 5. B+CT 6. CD a) Which of these expressions are defined? Enter the corresponding numbers as a list, separated by semi-colons (;). Answer: b) For of these formulas is the answer a 2 x 3 Enter Answer: c) What is the (2, 1) entry of the product BC ? Answer: Number d) What is the (2, 1) entry of the product CB? Answer: Number corresponding numbers as a list, separated by semi-colons (;).

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