1.\:\:parity\:\frac{1}{x}
                                
                             
                                                    
                                
                                    2.\:\:parity\:\frac{2}{x}
                                
                             
                                                    
                                
                                    3.\:\:parity\:\frac{3}{x}
                                
                             
                                                    
                                
                                    4.\:\:parity\:\frac{4}{x}
                                
                             
                                                    
                                
                                    5.\:\:parity\:\frac{2}{3x}
                                
                             
                                                    
                                
                                    6.\:\:parity\:\frac{1}{2x}
                                
                             
                                                    
                                
                                    7.\:\:parity\:\frac{4}{x+1}
                                
                             
                                                    
                                
                                    8.\:\:parity\:\frac{x+1}{x-1}
                                
                             
                                                    
                                
                                    9.\:\:parity\:\frac{1}{x^{2}-3}
                                
                             
                                                    
                                
                                    10.\:\:parity\:\frac{x+1}{2x-1}