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11-11-2021
Mathematics

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simplify if y<0.

[tex]-\sqrt{9y^{2} }[/tex]

Respuesta :

altavistard altavistard

11-11-2021

Answer:

-3y

Step-by-step explanation:

Whether y is smaller than 0 or not, the square root of y^2 is y, a positive quantity.

Thus, -√(9y²) = -3y

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