Problem: 2004 AMC 10 #2
Source:
February 1, 2007
Problem Statement
For any three real numbers , , and , with , the operation is defined by:
\otimes(a,b,c) \equal{} \frac {a}{b \minus{} c}
What is ?
(A)\ \minus{}\!\frac {1}{2}\qquad
(B)\ \minus{}\!\frac {1}{4}\qquad
(C)\ 0\qquad
(D)\ \frac {1}{4}\qquad
(E)\ \frac {1}{2}