A box with an open top is to be constructed from a square piece of cardboard, 9 ft wide, by cutting out a square from each of the four corners and bending up the sides. Find the largest volume such a box can have.
A box with an open top is to be constructed from a square piece of cardboard, 9 ft wide, of cardboard, 9 ft wide, by cutting out a square from each of the four comers and bending up the sides. Find the largest volume such a box can have
