Page 45 - Toán 9 - GV Đỗ Đạt
P. 45

P   0

                                                P   P

                                                                           P   0



                                              P   P




                                                               P   P

                                             P   0





                                                        2                                          x  2
                       Tìm  x  để  A   A 1 với  A                    Tìm  x  để   P   Pvới  P 
                                     1
                                                      x  1                                       3 x
                 ( ĐKXĐ :  x   0;x  1 )                        ( ĐKXĐ :  x  0 )



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                ....................................................................................   x
                                                                          Cho biểu thức:  A  
                ....................................................................................   x 2
                                                                                               
                ....................................................................................
                                                                  ĐKXĐ :  x   0;x   4 . Tìm  x  để  B   B.


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