In the following list, indicate if the set is polyhedral, and if so, indicate its representation...

  

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In the following list, indicate if the set is polyhedral, and if so, indicate its representation polyhedral. (1) X = {x R: 0} == (11) X {rR: mx [21-22|, |21 + x2]] x1 + x2} (III) X={rR: mn [221-22, 21+ 2x2] < x1+x2} In the following list, indicate if the set is polyhedral, and if so, indicate its representation polyhedral. (1) X = {x R: 0} == (11) X {rR: mx [21-22|, |21 + x2]] x1 + x2} (III) X={rR: mn [221-22, 21+ 2x2] < x1+x2}