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2

The Joy of Numbers

Lecture no. 2 from the course: The Joy of Mathematics

The Joy of Numbers

Taught by Professor Arthur T. Benjamin | 28 min | Categories: The Great Courses Plus Online Mathematics Courses

How do you add all the numbers from 1 to 100—instantly? What makes a square number square and a triangular number triangular? Why do the rules of arithmetic really work, and how do you calculate in bases other than 10?

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