Revision as of 18:12, 16 August 2011 by Rbhale12(talk | contribs)(Created page with "We know <math>{2011\choose0}+{2011\choose1}+...+{2011\choose2011}=2^{2011}</math>. The quantity we need to find is simply: <math>{2011\choose0}+{2011\choose1}+...+{2011\choose...")