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If function f left parenthesis x right parenthesis equals open curly brackets table attributes columnalign left end attributes row cell chi comma blank i f blank chi blank i s blank r a t i o n a l end cell row cell t h e n blank f left parenthesis x right parenthesis blank i s blank c o n t i n short dash end cell row cell 1 minus chi comma blank i i blank x i s blank i r r r a t i o n a blank l to the power of blank l end exponent end cell end table close continuous at—number of points.

  1. infinity    
  2. 1    
  3. 0    
  4. None of these    

The correct answer is: 0


    At no point, function is continuous.

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