Question

The 2 flat sides and one curved side of a cylindrical tank have a total surface area of 48 meter square. If this tank it is to contain the maximum and minimum volume, claculate the diameter and height.

Anyone can solve this pliz???

Answer 1

The given information can be expressed as
\[2πr(r+h)=48\] And you want to find the maximum and minimum values of \[V = πr^2h\]Try expressing h in terms of r first (so that's h =...)