Problem 4. PREVIEW ONLY -- ANSWERS NOT RECORDED (30 points) In this problem you will use variation of parameters to solve the nonhomogeneous equation y" + 3y' = ge-3t A. Write the characteristic equation for the associated homogeneous equation. (Use r for your variable.) B. Write the fundamental solutions for the associated homogeneous equation and their Wronskian. y1 92 = W (y1, yz) C. Compute the following integrals. y19 It W 429 at W D. Write the general solution. (Use c1 and c2 for c, and c2). y (Note: Your general solution will only be correct if it is a general solution to the differential equation.) Note: You can earn partial credit on this