4. [5110 Points] DETAILS PREVIOUS ANSWERS SCALC9 9.1.015.Ml. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) For what values of r does the function y u e" satisfy the differential equation 7y\" + 20V - 3y - 0? (Enter your answers as a commaseparated list.) |L r: 7} | (b) If r1 and r2 are the values of r that you found in part (a). show that every member of the family of functions 3! = aerlx + berz" Is also a solutlon. (Let r1 be the larger value and r2 be the smaller value.) Need Help