turunan pertama dari f(x)=(3x^2-2)(x2+5) adalah?A. 6x^3-10x^3B. 6x^3-10x^2C. 6x^3+10xD. 12x^3-26xE. 12x^3+26x

f(x)=U.V => f'(x)=U'V+V'U
U=3x²-2 => U=6x
V=x²+5 => V'=2x
f(x)=(3x²-2)(x²+5)
f'(x)=6x(x²+5)+2x(3x²-2)=6x³+30x+6x³-4x=12x³+26x