Liu's Maximization
Calculus
Level
5
If \( x_0 \) is the value of \( x \) such that the expression \( \sqrt{20x+3} + \sqrt{20-3x} \) attains its maximum over the reals, find \( \left \lfloor 10^4 \cdot x_0 \right \rfloor \).
by
Guilherme Dela Corte