Réponses

2014-02-22T17:13:11+01:00
F(4) = f(2x2) = f(2) + f(2) = 2.f(2) = 2x 3,0103 = 4,0206
245 = 5x7x7 =donc f(245) = f(7 x 7 x 5) = f(7)+f(7)+f(5) = 2x8,4510 + 6,9897 = 23,8917
f(1) = f(1x1) = f(1) + f(1) = 2f(1) = => f(1) = 0 
1/y x y = 1 => f (1/y x y ) = f(1) => f(1/y) + f(y) = 0 => f(1/y) = - f(y)