Question

qual a raiz quadrada de 1/16 e 25/49?

Answer 1

$\sqrt{ \frac{1}{16} }= \frac{ \sqrt{1} }{ \sqrt{16} }= \frac{1}{ \sqrt{ 2^{2}. 2^{2} } } = \frac{1}{4}$

$\sqrt{ \frac{25}{49} }= \frac{ \sqrt{25} }{ \sqrt{49} } =\frac{ \sqrt{ 5^{2} } }{ \sqrt{7^{2}} } = \frac{5}{7}$