4. The shortest path and longest path, respectively, in the accompanying task-analysis digraph have, respectively, lengths (a) 1 and 9. (b) 4 and 15. (c) 4 and 11. 1₁4 T₂ 4 15 12 9 13 TA 11 T4
4.The shortest path and longest path, respectively
respectively,lengths @1 and 9. b4and 15 c4 and 11.
T2
TS