1.6+13t−5t
2
\textgreater 6
−5t
+13t−4.4 \textgreater 0
5t
−13t+4.4 \textless 0
D=169−88=9
t
1
=2.2
=0.4
1.6+13t−5t
2
\textgreater 6
−5t
2
+13t−4.4 \textgreater 0
5t
2
−13t+4.4 \textless 0
D=169−88=9
2
t
1
=2.2
t
2
=0.4