dawnsimonelli dawnsimonelli

14-09-2022
Mathematics

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Han notices:
• 11² = 121 and (x + 1)² = x² + 2x + 1
11³= 1331 while (x + 1)3= x³ + 3x² + 3x + 1
The digits in the powers of 11 correspond to the coefficients of the polynomials

2. Give a mathematical justification of Han's observation.

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