The Golden Ratio
The real number τ defined by:
τ : = ½ (1 + 
5) = 1.61803398874989484820459...
It is an algebraic number of degree two, being the larger of the two roots of the quadratic equation:
x2 - x - 1 = 0.
The real number τ defined by:
τ : = ½ (1 + 5) = 1.61803398874989484820459...
It is an algebraic number of degree two, being the larger of the two roots of the quadratic equation:
x2 - x - 1 = 0.