Respostas

  • Usuário do Brainly
2013-05-27T22:08:28-03:00

Temos que:

 

\text{a}=2\sqrt[3]{54}-\sqrt[3]{250}+3\sqrt[3]{16}

 

\text{a}=6\sqrt[3]{2}-5\sqrt[3]{2}+6\sqrt[3]{2}

 

\text{a}=7\sqrt[3]{2}

 

Analogamente:

 

\text{b}=\sqrt{6}+2\sqrt{24}+\sqrt{54}-\sqrt{150}

 

\text{b}=\sqrt{6}+2\sqrt{6}+3\sqrt{6}-5\sqrt{6}

 

\text{b}=\sqrt{6}