1971 AHSME Problems/Problem 6
Problem
Let be the symbol denoting the binary operation on the set of all non-zero real numbers as follows: For any two numbers and of , . Then the one of the following statements which is not true, is
Solution
Statement A is true.
Statement B is true.
Statement C is true.
By process of elimination, we can see that statement D is false.
The answer is
-edited by coolmath34