A tank with open surface and square base is to contain 500 cubic feet of water Find the least - Maths - Application of Derivatives

Question

A tank with open surface and square base is to contain 500 cubic
feet of water Find the least cost of lining it with tin at the rate
of Rs 60/sq feet

Himanshu · Accepted Answer

A tank with open surface and square base is to contain 500 cubic feet of water. Find the least cost of lining it with tin at the rate of Rs.60/sq.feet.