4. If a = b + c

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4. If a = b + c, then is it true that I a I = I b I + I c I? Justify your answer.
15
Nov
4. If a = b + c, then is it true that I a I = I b I + I c I? Justify your answer. 4. If a = b + c then is it true that I a I = I b I + I c I? Justify your answer. November 15, 2021 [...]
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