3 years ago

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

Mathematics

1 answer:

Sonja [21]3 years ago

8 0

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

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