Postal regulations specify that a parcel sent by parcel post may have a combined length and girth of at most 240 cm. Find the radius r and length I of the cylindrical package of greatest volume V that may be sent through the mail. What is the volume V of such a package? Round r and I to the nearest tenth of a centimeter and the volume V to the nearest cm', Use the method of Lagrange multipliers to solve the problem Hint Length plus girth is 2rn + and the volme isn Select one O a. r 15.3 cm T1439 cm V105802 cm' O b. r-15.3 cm T-143.9 cm Oc 25.5 cm 1-80 cm V162975 cm! Od. r 255 cm T80 cm

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