a box with no lid has base rectangle of sides x,y and volume of the box is 9
i have shown that the surface area, S, is given by
S=xy+(18/x)+(18/y)
now i have to find the values of x and y such that S is a minimum but not sure where to start.
a box with no lid has base rectangle of sides x,y and volume of the box is 9
i have shown that the surface area, S, is given by
S=xy+(18/x)+(18/y)
now i have to find the values of x and y such that S is a minimum but not sure where to start.