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Vectors is all about directions. Also plus and minus signs represent the direction. So when we take square roots of the magnitude then why don't we write plusminus signsFor instance /AB/= 5WHY NOT /AB/ = +- 5 |
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Answer» Vectors is all about directions. Also plus and minus signs represent the direction. So when we take square roots of the magnitude then why don't we write plusminus signs For instance /AB/= 5 WHY NOT /AB/ = +- 5 |
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