Find the derivative of the function
(x)=(x³(2x+1)/x²-3)
Select the correct answer below:
a. '(x)=3/x + 2/(2x+1) - 2x/(x²-3)
b. '(x)=6x/(2x+1) - 2x/(x2-3)
c. '(x)=3/x+ 1/(2x+1) - 1/(x²-3)
d. '(x)=1/3x + 6/(2x+1) - x/(x²-3)