The golden section or golden ratio or golden number or Phidias' constant or divine proportion, in the field of figurative arts and mathematics, indicates the irrational number 1.6180339887… Watch the following video to learn more about the golden number.
Exercises and solutions
Verify these unique features of the golden number.
a) the reciprocal and the square maintain the decimal part unchanged
To demonstrate this, simply take the original equation and modify it: