Question

You have a box with a square bottom and top. you are to construct this box so it has a volume of 600 cubic inches. find the dimensions of the box that will minimize the surface area of the box. then find the minimum surface area.

Answer 1

We need to get two equations.  One equation will be the value at the curve.  The other will contain derivative. For the first equation, find the value on the curve. -k = m