Jawabanmu

2014-03-24T22:01:53+07:00
F(x) = 3 ∛x + 2x
      = 3x¹/₃ + 2x
f'(x) = x⁻²/₃ + 2
f'(1) = 1 + 2 = 3
2014-03-24T22:06:44+07:00
F(x) =3(x)^{ \frac{1}{3}} + 2x
f '(x) =  \frac{1}{3} . 3  (x)^{ \frac{1}{3}-1 }+2
       =  x^{ \frac{-2}{3} } +2
f ' (-1) = (-1)^{ \frac{-2}{3} } + 2
         = 1+2
         = 3