Question

2. preorder: 1 2 4 7 8 3 5 6 9
Inorder: 7 4 8 2 1 5 3 6 9
Find postorder traversal​

Answer 1

Answer:

Proper order- 1 2 3 4 5 6 7 8 9

Improper order - 9 8 7 6 5 4 3 2 1

Hope it will help you