Solutions :

f'(x) = 5 cos(5 x)

f'(x) = 1/(2 x - 1)^(1/2)

f'(x) = 10 x (x^2 - 3)^4

f'(x) = 3/(3 x - 1)

f'(x) = 2 sec^2(x) tg(x)

f'(x) = 6 ^(6 x)

f'(x) = -x/(4 - x^2)^(1/2)

f'(x) = 3 cos(x) sin^2(x)

Created by Mathematica  (March 16, 2007) Valid XHTML 1.1!