Definição
Converted by
Mathematica
May 16, 2001
![[Graphics:../Images/Aula14_gr_106.gif]](../Images/Aula14_gr_106.gif)
![[Graphics:../Images/Aula14_gr_107.gif]](../Images/Aula14_gr_107.gif)
![[Graphics:../Images/Aula14_gr_108.gif]](../Images/Aula14_gr_108.gif)
![[Graphics:../Images/Aula14_gr_109.gif]](../Images/Aula14_gr_109.gif)