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10 Dec 2017
Q1.25 (a) If A B = 0, does it necessarily follow that A = 0 or B = 0? Explain. (b) If AXB = 0, does it necessarily follow that A = 0 or B = 0? Explain.
Q1.25 (a) If A B = 0, does it necessarily follow that A = 0 or B = 0? Explain. (b) If AXB = 0, does it necessarily follow that A = 0 or B = 0? Explain.
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Beverley SmithLv2
11 Dec 2017
