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Far East Journal of Mathematical Education

Far East Journal of Mathematical Education
Volume 17, Issue 3, Pages 163 - 163 (August 2017)
http://dx.doi.org/10.17654/ME017030163

PROOF WITHOUT WORDS: PRODUCT OF SUM AND DIFFERENCE

Yukio Kobayashi

Abstract:

A visual clue of the well-known formula is presented. This diagram helps mathematics teachers and students intuitively see why this formula is true.

Keywords and phrases:

factorization.

Number of Downloads: 545 | Number of Views: 1079

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P-ISSN: 0973-5631

E-ISSN: 2583-343X

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Publication count: 326

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