Study the given cartoon and answer the questions that follow: 
What does the cartoon depict?
Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) United Nations Security Council | (II) New York |
| (B) International Court of Justice | (III) Hague |
| (C) International Labour Organisation | (I) Geneva |
| (D) United Nations Educational Scientific and Cultural Organisation | (IV) Paris |
A carpenter needs to make a wooden cuboidal box, closed from all sides, which has a square base and fixed volume. Since he is short of the paint required to paint the box on completion, he wants the surface area to be minimum.
On the basis of the above information, answer the following questions :
Find \( \frac{dS}{dx} \).
