Question: Suppose that a 0. (a) If a b = a c, does it follow that b = c? (b) If a x

Suppose that a ≠ 0.
(a) If a • b = a • c, does it follow that b = c?
(b) If a x b = a x c, does it follow that b = c?
(c) If a • b = a • c and a x b = a x c, does it follow that b = c?

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a No If a b ac then a b c 0 so a is perpendicular to bc which can happen if b c For ... View full answer

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