The base of a juice box with a volume of 1 liter (1000 ml) is a square.[br]Find the height of the juice box when the surface is to have minimum value?[br][br][b]Exercise[/b][br]a) Move [color=#c51414]point B[/color] either in [i]Graphics View[/i] or in [i]Graphics 3D View[/i] and try to identify the minimum.[br]b) Solve the problem using the CAS of GeoGebra.