Respostas

2013-05-23T19:02:53-03:00

\Delta = (-\sqrt{2})² - 4 . 1 . \frac{1}{2}

   '' = 2 - 2

   '' = 0

 

x1 = \sqrt{2} + 0 / 2 . 1

x1 = \sqrt{2} / 2

 

x2 = \sqrt{2} - 0 / 2 . 1

x2 = \sqrt{2} / 2