Respuestas

2013-09-22T16:56:54+02:00

[(- 1 + 1/3) /  \sqrt{3} ]^2
= (- 3/3 - 1/3)^2 /   (\sqrt{3})^{2}
= (- 2/3)^2 / 3
= (4/9) / 3
= 4/27 RESULTADO FINAL