enigma_1
~~~~ Miss Cricket ~~~~
1) Show that a rectangle with fixed perimeter has its shortest diagonal when it is a square.
2) Show that a closed cylindrical can of fixed volume will have minimum surface area when its height is equal to its length to its diameter.
How do you do those questions?
Thanks
2) Show that a closed cylindrical can of fixed volume will have minimum surface area when its height is equal to its length to its diameter.
How do you do those questions?
Thanks
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