Question

Qual o valor de V1 + V289/ V72?

A raiz de 289 tá dentro da de 1.

Answer 1

Vamos la:

X =$\frac{\sqrt{1 + \sqrt{289} } }{\sqrt{72} }$

X= $\frac{1 + 17}{\sqrt{72} }$

X= $\frac{18}{\sqrt{72} } × \frac{\sqrt{72} }{\sqrt{72} }$

X= $\frac{18\sqrt{72} }{72}$ ÷ $\frac{18}{18}$

X= $\frac{\sqrt{72} }{4}$