Question: need help with this and this is all the information provided. Find an expression for r that gives a stationary value of V and express

need help with this and this is all the information provided.

Find an expression for r that gives a stationary value of V and express your answer in 1 A toy is constructed from a hemisphere with radius 3r cm by removing a circular cylinder of terms of C and k radius r cm and height h cm where A

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