Questions asked by F. Javier B.

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• #lim_(x->pi/2)((2x)/pi + cos x)^(1/cos x)#?
  
• How do you solve this number theory's problem?
  
• Can you proof the following?
  
• How do you find a and b?
  
• How do you find the integer part of the following expresion?
  
• How do you proof this?