what is the plastic ratio? I define the plastic number and explain its properties, first as a cubic equation and a Fibonacci sequence to count bunnies, then as a fractal cube root with self similarities, and finally a cool formula with hyperbolic cosine function substitution. This is a cool journey through algebra, polynomials, inverse functions, and calculus.
Proof that I did it before mathologer: • Plastic Number
0:00 Introduction
0:36 Fibonacci
1:45 Fractal
3:10 Hyperbolic trig
Calculating hyperbolic trig functions: • Can you simplify this ...
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