Question

Calcule :
$\sqrt{ \frac{x} {49}^{2} {} }$
Me ajudem pfvr!
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Answer 1

Resposta:

$\frac{x}{7}$

Explicação passo-a-passo:

$\sqrt{\frac{x^2}{49}}$

$\sqrt{\frac{x^2}{7^2}}$

$\frac{x}{7}$

Answer 2

Oie, Td Bom?!

$\sqrt{ \frac{x {}^{2} }{49} } = \frac{ \sqrt{x {}^{2} } }{ \sqrt{49} } = \frac{x}{ \sqrt{7 {}^{2} } } = \frac{x}{7}$

Att. Makaveli1996