hwsol_16

hwsol_16 - Homework Assignment 16 - (12.6) - Solutions Page...

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Homework Assignment 16 - (12.6) - Solutions Page 975: 8*, 10*, 14*, 18, 20*, 26*, 28*,36*, 40*, 46*, 50*, 52*, 56*, 62*, 65* 8. f ! x , y " ! e 3 y / x ! x 2 y 3 " f ! x , y " !" ! 3 y x 2 e 3 y / x ! 2 xy 3 , 3 x e 3 y / x ! 3 x 2 y 2 # 10. f ! x , y " ! sin ! 3 xy " $ y 2 " f ! x , y " !" 3 y cos ! 3 xy " ,3 x cos ! 3 xy " $ 2 y # " f ! ! ,1 " !" ! 3, ! 3 ! $ 2 # 14. f ! x , y , z " ! z 2 e 2 x ! y ! 4 xz 2 " f ! x , y , z " !" 2 z 2 e 2 x ! y ! 4 z 2 , ! z 2 e 2 x ! y ,2 ze 2 x ! y ! 8 xz # " f ! 1,2,2 " !" ! 8, ! 4, ! 12 # 18. f ! x , y " ! x 3 y ! 4 y 2 , ! 2, ! 1 " , u % !" 1 2 , 1 2 # " f ! x , y " !" 3 x 2 y , x 3 ! 8 y # , " f ! 2, ! 1 " !" ! 12, 16 # D u % f ! 2, ! 1 " !" ! 12, 16 # # " 1 2 , 1 2 #! 1 2 4 ! 22 20. f ! x , y " ! xy ! y 2 , ! 1,4 " , u % !" 1,4 # " f ! x , y " !" 1 2 x y , 1 2 xy x ! 2 y # , " f ! 1,4 " !" 1, 1 4 ! 8 #!" 1, ! 31 4 # D u % f ! 1,4 " ! 1, ! 31 4 # 1 17 1, 4 ! ! 30
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hwsol_16 - Homework Assignment 16 - (12.6) - Solutions Page...

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