Hey this is just a fun question that my teacher said. But havent got a clue.(adsbygoogle = window.adsbygoogle || []).push({});

Suppose you draw a n x n grid on a piece of paper. how many squares could you draw in the diagram? how many rectangles can you contain.

Its something to do with binomial coefficients, what you guys think?

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# Homework Help: Little Problem about rectangles

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