Réponses

2014-04-29T01:31:28+02:00
Exo 4 :

A = 6√11 - 24
B = 2√7 + 7 + 6 + 3√7
B = 5√7 + 13

exo 5 :
f(-5) = - (-5) - 4
f(-5) = -1

f(x) = 10
-x-6 = 10
-x = 16
x = -16