Subject :IMO Class : Class 8
If a, b, c are rational numbers, then associativity of rational numbers under addition is given by
Aa + b = b + a
Ba + (b + c) = (a + b) + c
Ca × (b × c) = (a × b) × c
Da + (b - c) = (a + b) - c
Ans 1: (Master Answer)
Class : Class 1
The correct answer is B.