**Pascal’s Triangle**

by Eugene Toth

Mathematicians named Pascal’s triangle after the French mathematician Blaise Pascal. Pascal’s triangle is a triangular graph.

In Pascal’s triangle each number is the sum of the two directly above it. The numbers in each row are numbered beginning with 0 for the first row. Each number is positioned either to the left or to the right of the numbers in the rows above. The sum of the elements of a single row is twice the sum of the row preceding it. A Pascal’s triangle can expand infinitely.

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