Question: 3. Let T be any binary tree. Show that if x(v) is the preorder rank of v and y(v) is the depth of v, for

3. Let T be any binary tree. Show that if x(v)

3. Let T be any binary tree. Show that if x(v) is the preorder rank of v and y(v) is the depth of v, for all nodes v of T, then the resulting drawing of T has no edges crossing. 3. Let T be any binary tree. Show that if x(v) is the preorder rank of v and y(v) is the depth of v, for all nodes v of T, then the resulting drawing of T has no edges crossing

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