Resposta :
Resposta:
Explicação passo-a-passo:
[tex]\frac{-7}{\sqrt7} \\\\\frac{-7\sqrt7} {\sqrt7\sqrt7}\\\\\frac{-7\sqrt7}{7}\\\\-\sqrt{7}[/tex]
Resposta:
Explicação passo-a-passo:
[tex]\frac{-7}{\sqrt7} \\\\\frac{-7\sqrt7} {\sqrt7\sqrt7}\\\\\frac{-7\sqrt7}{7}\\\\-\sqrt{7}[/tex]