E = 16 – 24t +9t2= (6 - 3t)2
Mathématiques
lenamourgues55
Question
E = 16 – 24t +9t2= (6 - 3t)2
1 Réponse
-
1. Réponse anaiss972
= 16-24t +9t2 = 6x2 -3tx2
= 16-(24t +18t)= 12-6t
=16-42t+16=12-6t+16
=42t+6t=28-6t+6t
48t=28
=28/48
t=0,5