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5 cards from this section. Quick, good the night before a test.
How many full binary trees can be formed with 2 leaves?
Consider the definition of a full binary tree.
What is a valid path from (2,2) to (0,0) in a grid?
Think about how many times you will move right and upward.
How many leaves does a full binary tree with 3 internal nodes have?
Think about how the structure of full binary trees works.
True or False: All vertices of a polygon can form diagonals.
Consider the definition of what a diagonal is.
Formulate and prove a relationship between the number of full binary trees and the Catalan sequence.
Consider how binary trees can represent multiplication.
Provide a rigorous mathematical proof for the formula calculating diagonals in a polygon.
Break down sides and verify with smaller polygons.
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