Need Help? Read It 15. [-/3.84 Points] DETAILS SMITHNM13 2.2.010. MY NOTES ASK YOUR Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10). (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.) (a) {2, 3, 4} {5, 6} { (b) {2, 3, 4} U {5, 6} (c) {2, 3, 4, 5, 6}