michellewilliam michellewilliam

01-06-2014
Mathematics

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determine whether each expression is meaningful as a real number yes or no? -√9

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Аноним Аноним

06-07-2014

[tex]Yes\ -\sqrt9\ is\ real\ number\\\\-\sqrt9=-3\ is\ integer\ number\\\\-\sqrt{a}\in\mathbb{R}\ for\ any\ a\geq0[/tex]

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