b. (1 pt) Find du. du= c. (3 pts) Write the integral in terms of u [x²(2x²-4)³ dx = [(---)du d. (2 pts) Evaluate the integral and write the answer in (x²(2x²-4)³dx= QUESTION 14 7 points) Use a change of variables to evaluate the following indefinite integral. sx²(2x²-4)dx a. (1 pt) Determine a change of variables from to Choose the correct answer below for ". A. u=2x² B. u=2x²-4 C. "=(2x²-4)³ D. u=4xdx