#f (x) = sin ^ 3x #, # D_F = RR #
#G (x) = sqrt (3x-1) #, # Dg = 1/3, + oo) #
#D_ (nebbia) = {## # AAX#nel##RR: ##X##nel## # D_G, #G (x) ##nel##D_f} #
#x> = 1/3 #, #sqrt (3x-1) ##nel## RR # #-># #X##nel## 1/3, + oo) #
# # AAX#nel## 1/3, + oo) #,
- # (Nebbia) '(x) = f' (g (x)) g '(x) = f' (sqrt (3x-1)) ((3x-1) ') / (2sqrt (3x-1)) #
#f '(x) = 2x ^ 3sin (sinx)' = ^ 3sin 2xcosx #
così # (Nebbia) '(x) = sin ^ 2 (sqrt (3x-1)) cos (sqrt (3x-1)) * 9 / (2sqrt (3x-1)) #
