(12 points total) Starting with an empty AVL tree, insert the following items one by one: 9, 12, 10, 7, 4, 8, 2. Show the tree before and after each required rotation (double rotations should show both single rotations involved).

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.

hey! im not 100 percent sure but im pretty sure that what you want to do is not possible : (

explanation: