Sagot :
Bonjour
- 2v - 10 = 0 ou - 2v + 2 = 0 ou 2v + 8 = 0
- 2v = 10 - 2v = - 2 2v = - 8
v = - 10/2 = - 5 v = 2/2 = 1 x = - 8/2 = - 4
S = (- 5 ; - 4 ; 1)
Bonjour
- 2v - 10 = 0 ou - 2v + 2 = 0 ou 2v + 8 = 0
- 2v = 10 - 2v = - 2 2v = - 8
v = - 10/2 = - 5 v = 2/2 = 1 x = - 8/2 = - 4
S = (- 5 ; - 4 ; 1)