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Unformatted text preview: @f=@y , @ 2 f=@x@y , and @ 2 f=@y@x . Do not just write down answers. You must include intermediate steps in your calculations. Solution: @f @x = cos (2 x & 3 y ) (2) = 2 cos (2 x & 3 y ) . @f @y = cos (2 x & 3 y ) ( & 3) = & 3 cos (2 x & 3 y ) . 1 @ 2 f @x@y = @ @x ( & 3 cos (2 x & 3 y )) = & 3 ( & sin (2 x & 3 y )) (2) = 6 sin (2 x & 3 y ) . @ 2 f @y@x = @ @y (2 cos (2 x & 3 y )) = 2 ( & sin (2 x & 3 y )) ( & 3) = 6 sin (2 x & 3 y ) . 2...
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This note was uploaded on 02/05/2012 for the course MATH 2203 taught by Professor Ellermeyer during the Fall '10 term at FIU.
 Fall '10
 Ellermeyer
 Math

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