a, b, c

3. Rather than discussing a binary tree, let us discuss a 4-ary tree. This is a tree where every node has 0, 1, 2, 3 or 4 nodes. Complete the following four sentences: a) A 4-ary tree has at most 2 nodes at level L. Answer! nodes. d- b) A 4-ary tree of depth d has at least c) A 4-ary tree of depth d has at most 2y_nodes, d) A4-ary tree with n nodes has depth at least on