tentukan turunan pertama dari f(x)=(3x^2-2)(x^4+x)

u = (3x²-2) >>> u' = 6x
v = (x⁴ +x) >>> v' = (4x³ +1)

f'(x) = u'v + v'u
= 6x(x⁴+x) + (4x³+1)(3x²-2)
= 6x^5 + 6x² + 12x^6 -8x³ +3x² -2
= 12x^6 + 6x^5 - 8x³ +9x² -2