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2013-11-26T13:23:38+01:00
Pas dur...
F(-2) = (2-(-2))^3 + (-2-1)^2 -2
F(-2) = 4^3 + (-3)^2 -2
F(-2) = (4*4*4) +(-3*-3) -2
F(-2) = (16*4) +9-2
F(-2) = 64+7
F(-2) = 71