Cuboidal shapes are considered best in the category of rigid packaging as it is most suited across the packaging supply chain both for performance & cost. So Devnand decided to pack his products in a cuboidal box of breadth x centimetres, length 3 cm longer than the breadth and height 4 cm shorter than length. The volume and surface area of the cuboidal box is expressed as a polynomial in x.
1 If the volume is represented by the polynomial V(x) = x³ + 2x² - 3x What would be the volume if breadth of the cuboid is 4 cm?
2 When breadth is 5, surface area of the box is16 cm² and the surface area is represented by the equation 32− ax − 4. Find the values of “a”
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