Resposta :
Hello!!! how are you?
3[tex]\sqrt{2+4\sqrt{2} }[/tex][tex]= 3.\sqrt{2+4.2^{\frac{1}{2} } } = 3.\sqrt{2+2^{2}.2^{\frac{1}{2} } } = 3.\sqrt{2^{2}+2^{2+\frac{1}{2} } } = 3\sqrt{2^{2}+ 2^{\frac{5}{2} } }[/tex]
Hello!!! how are you?
3[tex]\sqrt{2+4\sqrt{2} }[/tex][tex]= 3.\sqrt{2+4.2^{\frac{1}{2} } } = 3.\sqrt{2+2^{2}.2^{\frac{1}{2} } } = 3.\sqrt{2^{2}+2^{2+\frac{1}{2} } } = 3\sqrt{2^{2}+ 2^{\frac{5}{2} } }[/tex]