2008-38.md

course	course_year	question_number	tags	title	year
Methods	IB	38	IB 2008 Methods	$2 . \mathrm{I} . 5 \mathrm{D} \quad$	2008

Describe briefly the method of Lagrange multipliers for finding the stationary values of a function $f(x, y)$ subject to a constraint $g(x, y)=0$.

Use the method to find the largest possible volume of a circular cylinder that has surface area $A$ (including both ends).