2011 AIME II Problems/Problem 9: Difference between revisions
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Let <math> | Let <math>x_1, x_2, ... , x_6</math> be nonnegaative real numbers such that <math>x_1 +x_2 +x_3 +x_4 +x_5 +x_6 =1</math>, and <math>x_1 x_3 x_5 +x_2 x_4 x_6 \ge \frac{1}{540}</math>. | ||
Revision as of 17:09, 31 March 2011
Let 
be nonnegaative real numbers such that 
, and 
.
