On the question mark function
Posted: Sun Nov 06, 2016 1:11 pm
Let $?$ denote the question mark function . Prove that:
$$? \left( \frac{\sqrt{3} - 1}{2} \right ) = \frac{2}{7} $$
$$? \left( \frac{\sqrt{3} - 1}{2} \right ) = \frac{2}{7} $$