VISUAL PROOF OF FACTORIZATION FORMULA-PRACTICAL GUIDANCE FOR STUDENTS
Keywords:
visual proof, factorization, practical guidance, studentsDOI:
https://doi.org/10.17654/0973563125002Abstract
In this paper, we report practical guidance for students on visual proof of factorization formula. First, we use area to guide students on factorizing quadratic equations. Based on this, next we use volume to guide students on factoring cubic equations. Finally, students try a visual proof of factoring a cubic equation. The results of the challenge came positive.
Received: November 12, 2024
Accepted: January 9, 2025
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References
Chuya Fukuda, Visual proof of $a^3 + b^3 + c^3 - 3abc = (a + b + c) left( a^2 + b^2 + c^2 - ab - bc - ca right)$, Far East Journal of Mathematical Education 24 (2023), 13-14.
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