Let each side of the cut-out square be x m
Volume of box = (3-2x)(8-2x)(x) = 24x - 22x^2 + 4x^3
dV/dx = .....
set equal to zero and solve for x
A rectangular box opens Ata the top is to be formed from a rectangular piece of cardboard which is 3 m * 8m. What size of square should be cut from each corner to form the box with maximum volume.?
1 answer