question_answer

If  \[a+b=2c\],\[\frac{a}{a-c}+\frac{c}{b-c}\]then the value of is equal to (where \[a\ne b\ne c\])

A)  \[-1\]                           

B)  1

C)  0                                

D)  \[\frac{1}{2}\]

E)  None of these