Odpowiedź :
xS
[tex]xS = \frac{2 + ( - 4)}{2} = \frac{ - 2}{2} = - 1[/tex]
yS
[tex]yS = \frac{ - 10 + 6}{2} = \frac{ - 4}{2} = - 2[/tex]
Zatem
[tex]S = ( - 1, - 2)[/tex]
xS
[tex]xS = \frac{2 + ( - 4)}{2} = \frac{ - 2}{2} = - 1[/tex]
yS
[tex]yS = \frac{ - 10 + 6}{2} = \frac{ - 4}{2} = - 2[/tex]
Zatem
[tex]S = ( - 1, - 2)[/tex]