Réponses

2012-12-07T09:31:40+01:00

Bonjour,

 

e = (22/19)((5/2)-2) = (22/19)((5-4)/2) = ((22/19)*(1/2) = 11/19

 

 

d = 1/2-(7/2)(-4/21) = 1/2+2/3 = (2+3)/6 = 5/6


J'espère que tu as compris

a+