The Golden Ratio
The real number τ defined by:
`\tau := 1/2 (1 + \sqrt(5)) = 1.61803398874989484820459...`
It is an algebraic number of degree two, being the larger of the two roots of the quadratic equation:
`x^2 - x - 1 = 0.`
The real number τ defined by:
`\tau := 1/2 (1 + \sqrt(5)) = 1.61803398874989484820459...`
It is an algebraic number of degree two, being the larger of the two roots of the quadratic equation:
`x^2 - x - 1 = 0.`