begin{array c sqrt{x + sqrty = 6 } sqrt{x y = 8 } endarray .

Perguntas Frequentes

• Resolva usando o método de substituição $\{\begin{array}{c}\sqrt{x}+\sqrt{y}=6\\ \sqrt{xy}=8\end{array}$

  

  $$\begin{array}{rl}& \left(x_1,y_1\right)=\left(16,4\right)\\ & \left(x_2,y_2\right)=\left(4,16\right)\end{array}$$