Question 7
If $x=5-\dfrac{18}{2+\dfrac1{5-\dfrac{18}{2+\cdots}}}$, find the minimum value of x.
Editorial interpretation: the repeated fraction is treated as its self-similar fixed-point equation; no particular sequence of finite truncations is specified.
Editorial interpretation: the repeated fraction is treated as its self-similar fixed-point equation; no particular sequence of finite truncations is specified.