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Rationalising the Denominator
Rationalising the Denominator
             4
e.g.  i 
              2
Rationalising the Denominator
             4    4    2
e.g.  i           
              2    2   2
Rationalising the Denominator
             4     4    2
e.g.  i            
              2     2   2
                  4 2
                
                    2
                2 2
Rationalising the Denominator
             4     4    2             3
e.g.  i                  ii 
              2     2   2            2 5
                  4 2
                
                    2
                2 2
Rationalising the Denominator
             4     4    2             3
e.g.  i                  ii          
                                                3
                                                     
                                                         5
              2     2   2            2 5       2 5       5
                  4 2
                
                    2
                2 2
Rationalising the Denominator
             4     4    2             3
e.g.  i                  ii          
                                               3
                                                   
                                                       5
              2     2   2            2 5     2 5       5
                  4 2                        3 5
                                          
                    2                         10
                2 2
Rationalising the Denominator
              4     4    2             3
e.g.  i                   ii          
                                                3
                                                    
                                                        5
               2     2   2            2 5     2 5       5
                   4 2                        3 5
                                           
                     2                         10
                 2 2


              3
 iii 
             2 1
Rationalising the Denominator
              4     4    2                 3
e.g.  i                       ii          
                                                    3
                                                        
                                                            5
               2     2   2                2 5     2 5       5
                   4 2                            3 5
                                               
                     2                             10
                 2 2


              3      3    2 1
 iii                 
             2 1   2 1 2 1
Rationalising the Denominator
              4     4    2                   3
e.g.  i                         ii          
                                                      3
                                                          
                                                              5
               2     2   2                  2 5     2 5       5
                   4 2                              3 5
                                                 
                     2                               10
                 2 2


              3       3     2 1
 iii                   
             2 1    2 1 2 1
                    3 2 3
                  
                     2 1
                   3 23
Rationalising the Denominator
              4     4    2                   3
e.g.  i                         ii          
                                                      3
                                                          
                                                              5
               2     2   2                  2 5     2 5       5
                   4 2                              3 5
                                                 
                     2                               10
                 2 2


              3       3     2 1          2 3
 iii                            iv 
             2 1    2 1 2 1            2 3
                    3 2 3
                  
                     2 1
                   3 23
Rationalising the Denominator
              4     4    2                   3
e.g.  i                         ii          
                                                      3
                                                          
                                                              5
               2     2   2                  2 5     2 5       5
                   4 2                              3 5
                                                 
                     2                               10
                 2 2


              3       3     2 1          2 3 2 3 2 3
 iii                            iv          
             2 1    2 1 2 1            2 3 2 3 2 3
                    3 2 3
                  
                     2 1
                   3 23
Rationalising the Denominator
              4     4    2                   3
e.g.  i                         ii          
                                                      3
                                                          
                                                              5
               2     2   2                  2 5     2 5       5
                   4 2                              3 5
                                                 
                     2                               10
                 2 2


              3       3     2 1          2 3 2 3 2 3
 iii                            iv           
             2 1    2 1 2 1            2 3 2 3 2 3
                    3 2 3                      44 33
                                             
                     2 1                         43
                   3 23                     74 3
Exercise 2D; 1adh, 2bdf, 3adg, 4beh, 5cfilor, 6a,
          7b, 9bc, 10abc, 12*a, 14, 15

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11 x1 t02 04 rationalising the denominator (2012)

  • 2. Rationalising the Denominator 4 e.g.  i  2
  • 3. Rationalising the Denominator 4 4 2 e.g.  i    2 2 2
  • 4. Rationalising the Denominator 4 4 2 e.g.  i    2 2 2 4 2  2 2 2
  • 5. Rationalising the Denominator 4 4 2 3 e.g.  i     ii  2 2 2 2 5 4 2  2 2 2
  • 6. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2  2 2 2
  • 7. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2 3 5   2 10 2 2
  • 8. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2 3 5   2 10 2 2 3  iii  2 1
  • 9. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2 3 5   2 10 2 2 3 3 2 1  iii    2 1 2 1 2 1
  • 10. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2 3 5   2 10 2 2 3 3 2 1  iii    2 1 2 1 2 1 3 2 3  2 1  3 23
  • 11. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2 3 5   2 10 2 2 3 3 2 1 2 3  iii     iv  2 1 2 1 2 1 2 3 3 2 3  2 1  3 23
  • 12. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2 3 5   2 10 2 2 3 3 2 1 2 3 2 3 2 3  iii     iv    2 1 2 1 2 1 2 3 2 3 2 3 3 2 3  2 1  3 23
  • 13. Rationalising the Denominator 4 4 2 3 e.g.  i     ii   3  5 2 2 2 2 5 2 5 5 4 2 3 5   2 10 2 2 3 3 2 1 2 3 2 3 2 3  iii     iv    2 1 2 1 2 1 2 3 2 3 2 3 3 2 3 44 33   2 1 43  3 23 74 3
  • 14. Exercise 2D; 1adh, 2bdf, 3adg, 4beh, 5cfilor, 6a, 7b, 9bc, 10abc, 12*a, 14, 15