Among the most familiar and humble formulas we meet in high school algebra are the ‘completing the square’ formula and the ‘difference of two squares’ factorization. In this note we showcase some unexpected and pleasing uses of these formulas.
At Right Angles At Right Angles is a resource for school mathematics, published by the Azim Premji Foundation and the Community Mathematics Centre, Rishi Valley. It provides a national level platform where interested individuals can access resources, read about mathematical matters, contribute their own writing...
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