Question

$- \sqrt{ \frac{49}{4} }$
mande as respostas e os cálculos​

Answer 1

Propriedade usada

$\sqrt{\dfrac{a}{b}}=\dfrac{\sqrt{a}}{\sqrt{b}}$

Solução:

$-\sqrt{\dfrac{49}{4}}\\\\-\dfrac{\sqrt{49}}{\sqrt{4}}\\\\\boxed{\boxed{-\dfrac{7}{2}}}$