Réponses

2014-02-09T09:14:45+01:00
Sachant que A  = 2
B  =   1/2 X ( A + 2/A) = 3/2
C =  1/2 X (B + 2/B)
C = 1/2 x (3/2 + 2 x 2/3)
C = 1/2 x (3/2 + 4/3)
C = 1/2 x 3/2 + 1/2 x 4/3
C = 3/4 + 4/6
C = 9/12 +8/12
C = 17/12