9 and 10 plezzz

Question 9 of 27 /2 marks Nodes with keys 5, 7,2,9, 6, 3, 1,4 are inserted (in displayed on the screen by a postorder traversal of the trnin ially empty binary search tree Then, the key of each nodeis (0) may represent the resulting display? /2 marks O a. 7,5,2,9,6,4, 1,3 O b. 1,2, 3,4,5, 6,7,9 5,2,7,3,4,7,6,9 O d. 1,4,3,2, 6,9,7, 5 O e. 9,7,6, 5,4,3, 2, 1 O 3,1,4,6, 9,2,5,7 Save Answer Question 10 of 27 /2 marks Ingert nine nodes wth ley valules A Lfaifned by the fosthis erde irto n initally empty AVL tree. Do a postorder traversal of the /2 marks c. A. H, I, G, , , , R L d. LG. R A