Question: Question QUESTION 9 A soft drink can has a volume of 340 cm, a height of h cm and a radius of r cm. 9.1

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QUESTION 9 A soft drink can has a volume of 340 cm,

QUESTION 9 A soft drink can has a volume of 340 cm, a height of h cm and a radius of r cm. 9.1 9.2 9.3 h Express h in terms of r. Show that the surface area of the can is given by A(r)=2rr+680r. Determine the radius of the can that will ensure that the surface area is a minimum.

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