I need assistance with 2.19 and 2.20

Tree representations Figure 2.2 vertex has Let T on page 62 illustrates how an arbitrary tree T can be transformed into a binary tree S where earh ist) s a pointer to its child list a point to the root of an arbitrary tree, and let S be the equivalent binary tree based on this Tree representations Figure 2.2 vertex has Let T on page 62 illustrates how an arbitrary tree T can be transformed into a binary tree S where earh ist) s a pointer to its child list a point to the root of an arbitrary tree, and let S be the equivalent binary tree based on this