ya sry, thats right, 12
if x22 + y23 +z26 =12
find the greatest possible value of ( x/2 + y/3 + z/6 )2
jus give the hint only [1]
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6 Answers
fibonacci
·2009-11-10 02:50:14
HINT = cauchy schwarz
on (\frac{x}{\sqrt{2}}.\frac{y}{\sqrt{3}},\frac{z}{\sqrt{6}}\ and \frac{1}{\sqrt{2}},\frac{1}{\sqrt{3}}, \frac{1}{\sqrt{6}})