Meera Ltd. is registered with an authorised capital of ₹ 1,00,000 divided into equity shares of ₹ 10 each. The company invited applications for issuing 1,00,000 equity shares at a premium of ₹ 2 per share. The amount was payable as follows:
Applications were received for 95,000 shares and allotment was made to all the applicants. All calls were made and duly received except the second and final call of 1,000 shares held by Tushar.
Answer the following questions:
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 \( \frac{dS}{dx} \).
