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Proof without words: (a + b)^3 = a^3 +3a^2b +3ab^2 + b^3
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2003-06-01
https://doi.org/10.5485/TMCS.2003.0004
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Copyright (c) 2003 C. Alsina and A. Monreal
This work is licensed under a Creative Commons Attribution 4.0 International License.
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Alsina, C., & Monreal, A. (2003). Proof without words: (a + b)^3 = a^3 +3a^2b +3ab^2 + b^3. Teaching Mathematics and Computer Science, 1(1), 157. https://doi.org/10.5485/TMCS.2003.0004
Abstract
(a+b)^2…