Question

5 raiz de 7 sobre 3 raiz de 6​

Answer 1

Explicação passo-a-passo:

${5\sqrt{7} \over3\sqrt{6} }={5\sqrt{7} .\sqrt{6} \over3\sqrt{6} .\sqrt{6} }={5\sqrt{42}\over3\sqrt{36}  }={5\sqrt{42} \over3.(6)}={5\sqrt{42} \over18}$